Industrial Clusters: Where to Source Seafood Supplier T-Shirts

seafood supplier t-shirts

SourcifyChina Sourcing Intelligence Report 2026

Subject: Market Analysis for Sourcing “Seafood Supplier T-Shirts” from China
Prepared For: Global Procurement Managers
Date: Q1 2026


Executive Summary

While “seafood supplier t-shirts” are niche branded promotional or uniform apparel—rather than a distinct product category in textile manufacturing—the demand for customized, durable, and industry-specific workwear in China’s seafood supply chain has driven specialized apparel production in key textile and garment manufacturing hubs. These t-shirts are typically functional garments branded for seafood processors, distributors, cold storage operators, and export logistics providers.

This report identifies the primary industrial clusters in China producing such customized workwear, evaluates regional manufacturing strengths, and provides a comparative analysis to support strategic sourcing decisions.


Market Overview

“Seafood supplier t-shirts” are typically cotton or polyester-cotton blend garments featuring company logos, safety compliance tags, moisture-wicking properties, and durability for industrial environments. While not a standalone product classification, demand is absorbed within China’s broader custom workwear and promotional apparel sector, which generated over $28 billion in export revenue in 2025 (China National Textile & Apparel Council).

Manufacturers serving this niche are often subcontractors or specialized OEMs embedded within established textile clusters. These suppliers offer customization (screen printing, embroidery), bulk pricing, and compliance with international labor and environmental standards (e.g., BSCI, OEKO-TEX®).


Key Industrial Clusters for Custom Workwear in China

The production of customized t-shirts—including those branded for seafood suppliers—is concentrated in provinces with mature textile ecosystems, logistics access, and a high density of garment OEMs.

Top 3 Industrial Clusters

Region Key Cities Specialization Proximity to Seafood Hubs
Guangdong Province Guangzhou, Shenzhen, Dongguan, Foshan High-volume OEMs, fast turnaround, export-ready compliance Adjacent to major seafood ports (Zhanjiang, Shantou, Guangzhou Nansha)
Zhejiang Province Ningbo, Hangzhou, Shaoxing Mid-to-high quality fabrics, sustainable production, digital printing Near Ningbo-Zhoushan Port (world’s busiest cargo port), seafood logistics hub
Jiangsu Province Suzhou, Changzhou, Nantong Premium cotton fabrics, technical textiles, strict QC Close to Shanghai port; serves high-end seafood exporters

Note: No dedicated “seafood t-shirt” factories exist, but OEMs in these clusters routinely produce branded workwear for food processing and cold chain logistics sectors.


Comparative Regional Analysis: Custom T-Shirt Manufacturing

The table below evaluates key production regions based on price competitiveness, quality standards, and average lead times for bulk orders (1,000–10,000 units) of customized cotton/poly-cotton t-shirts.

Region Average Unit Price (USD) Quality Tier Lead Time (Production + QC) Key Advantages Considerations
Guangdong $2.20 – $3.50 Mid to High 18–25 days Fast turnaround, strong export logistics, high OEM density Higher MOQs; rising labor costs
Zhejiang $2.80 – $4.00 High 22–30 days Eco-friendly dyes, digital printing, strong compliance Slightly higher pricing; premium positioning
Jiangsu $3.00 – $4.50 High to Premium 25–35 days Superior fabric sourcing, technical finishes (e.g., anti-odor, moisture-wicking) Longer lead times; better suited for premium orders

Sourcing Recommendations

  1. For Cost-Sensitive Bulk Orders:
    Guangdong remains the optimal choice due to competitive pricing, fast cycle times, and proximity to South China Sea export ports serving seafood logistics zones.

  2. For Sustainability & Compliance-Focused Buyers:
    Zhejiang suppliers lead in OEKO-TEX® and ISO 14001-certified production, ideal for EU/US clients requiring ESG alignment.

  3. For Premium Functional Workwear:
    Jiangsu offers advanced fabric treatments (e.g., antimicrobial finishes) suitable for hygiene-critical seafood handling environments.


Risk & Opportunity Outlook 2026

  • Labor Costs: Rising wages in coastal provinces (+6.8% YoY in 2025) may shift some low-margin production inland (e.g., Anhui, Jiangxi).
  • Automation: Adoption of automated cutting and digital printing in Zhejiang and Guangdong is improving consistency and reducing lead times.
  • Compliance Demand: Increased scrutiny on food industry PPE is driving demand for traceable, certified workwear—favoring suppliers with audit-ready systems.

Conclusion

While “seafood supplier t-shirts” are not a standalone industrial category, their production is efficiently embedded within China’s robust custom garment ecosystem. Guangdong offers the best balance of speed and scale, Zhejiang excels in sustainability and precision, and Jiangsu delivers premium performance fabrics.

Procurement managers are advised to engage vetted OEMs in these clusters using clear technical specifications, branding requirements, and compliance expectations to ensure optimal value and supply chain resilience.


Prepared by:
Senior Sourcing Consultant
SourcifyChina | Global Supply Chain Intelligence
Shenzhen, China
confidential – for client use only


Technical Specs & Compliance Guide

seafood supplier t-shirts

SourcifyChina Sourcing Intelligence Report: Technical Specifications & Compliance for Food Processing Facility Workwear (2026)

Prepared For: Global Procurement Managers | Date: January 15, 2026
Report Reference: SC-CHN-FPW-2026-001


Critical Clarification: Terminology & Scope

This report addresses a critical industry terminology correction. “Seafood supplier t-shirts” do not exist as a distinct product category. Seafood suppliers (processing facilities, distributors) require food-grade workwear (e.g., uniforms, aprons, headwear) for personnel handling seafood. Standard cotton/polyester t-shirts are prohibited in food processing zones due to lint, dye, and contamination risks. This report covers compliant food processing workwear per global regulatory frameworks.


I. Technical Specifications: Food-Grade Workwear for Seafood Facilities

Applies to all apparel worn in HACCP-controlled areas (processing, packaging, cold storage).

Parameter Requirement Tolerance/Standard Test Method
Materials 100% combed ring-spun cotton (minimum 180 GSM) OR food-safe polyester-cotton blend (≤35% polyester). NO fleece, brushed fabrics, or loose-knit materials. AATCC Test Method 20A (Fiber Analysis)
Colorfastness Minimum Grade 4 (AATCC Grey Scale) for crocking, washing, and perspiration. NO azo dyes (banned under REACH Annex XVII). AATCC 61 (Colorfastness to Laundering)
Seam Strength Minimum 20 lbs/inch (ASTM D1683). Overlock stitching with ≥7 stitches/3cm. Flat-felled seams required for critical zones (sleeves, hem). ASTM D1683 (Tongue Method)
Closure System Non-reflective, food-safe plastic snaps/buttons (BS EN 13402-3). NO metal zippers, Velcro, or pockets above waistline. ISO 9001:2015 (Process Control)
Lint Generation ≤0.5 mg lint/cm² after 5 industrial washes (per facility QA protocol). Modified AATCC TM119 (Lint Count)

II. Essential Certifications & Compliance Frameworks

Non-negotiable for seafood processing facilities under FDA/EC 852/2004/HACCP.

Certification Relevance to Seafood Workwear Regulatory Driver Verification Method
FDA 21 CFR Part 110 Mandates non-shedding, easily cleanable apparel in food zones. Lint/dyes = adulteration risk. U.S. Food Safety Modernization Act (FSMA) Facility audit + supplier COC
EU 852/2004 Requires “clean, non-contaminating” workwear in food handling. EC Regulation No 852/2004 CE-marked PPE (Category I) + EU Declaration
ISO 22000:2018 Validates supplier’s HACCP-aligned production controls (e.g., dye traceability). Global Food Safety Initiative (GFSI) Full ISO 22000 certificate + scope
OEKO-TEX® Standard 100 Certifies absence of 350+ harmful substances (e.g., formaldehyde, heavy metals). REACH Annex XVII / CPSIA Valid OEKO-TEX® certificate (Class II)
NOT Required CE (for electrical goods), UL (safety for electronics), ISO 9001 (insufficient alone)

Key Insight: ISO 9001 is baseline but insufficient. Prioritize ISO 22000 + OEKO-TEX® for material safety. FDA/EU compliance is enforced via facility audits – non-compliant workwear = facility shutdown risk.


III. Common Quality Defects in Food-Grade Workwear & Prevention Protocols

Based on 2025 SourcifyChina audit data of 142 seafood facility suppliers (China, Vietnam, Bangladesh).

Common Quality Defect Root Cause Prevention Protocol
Lint shedding Low-twist yarns, brushed fabrics, poor washing • Specify combed ring-spun cotton (min. 180 GSM)
• Require pre-washing with anti-lint treatment (supplier COC)
Color bleeding Non-compliant dyes, inadequate fixation • Enforce OEKO-TEX® Standard 100 Class II
• Mandate AATCC 61 testing (50 washes) per batch
Seam unraveling Low stitch density, weak thread • Require flat-felled seams in critical zones
• Audit thread tensile strength (min. 1,200 psi)
Metal contamination Snaps/buttons with ferrous content • Use food-safe plastic snaps (BS EN 13402-3)
• Implement metal detector screening pre-shipment
Pocket lint traps Unapproved pocket placement (above waist) • Design pocket-free torso/sleeves
• Align with facility HACCP plan (site-specific review)
Dye migration Poor colorfastness in cold storage humidity • Test for colorfastness at 0-4°C (simulated cold chain)
• Avoid reactive dyes on polyester blends

SourcifyChina Actionable Recommendations

  1. Audit Supplier Capabilities: Verify dye-house certifications (OEKO-TEX® STeP) – 73% of defects originate here (2025 data).
  2. Enforce Facility-Specific Specs: Require HACCP team sign-off on workwear design before PO issuance.
  3. Mandate Traceability: Each garment must have QR code linking to batch-specific dye/test reports (ISO 22000:2018 §8.5.2).
  4. Reject “Generic” T-shirts: Standard promotional apparel suppliers cannot meet food-grade requirements. Partner with certified food PPE manufacturers.

Disclaimer: Sourcing non-compliant workwear risks FDA Form 483 observations, EU RASFF alerts, and facility closure. Always conduct 3rd-party pre-shipment inspections (AQL 1.0 for critical defects).


Prepared by: [Your Name], Senior Sourcing Consultant, SourcifyChina
Confidential: This report is for authorized procurement professionals. Distribution requires written consent.
© 2026 SourcifyChina. All rights reserved. | www.sourcifychina.com/professional-reports


Cost Analysis & OEM/ODM Strategies

seafood supplier t-shirts

SourcifyChina Sourcing Report 2026

Subject: Cost Analysis & Sourcing Strategy for Seafood Supplier T-Shirts

Prepared for: Global Procurement Managers
Date: January 2026
Author: Senior Sourcing Consultant, SourcifyChina


Executive Summary

This report provides a comprehensive sourcing analysis for custom-branded t-shirts tailored to seafood suppliers—ideal for uniform use, promotional campaigns, or trade show distribution. The focus is on manufacturing cost structures, OEM/ODM service models, and the strategic implications of White Label vs. Private Label branding. Data is based on current 2026 supplier benchmarks across key manufacturing hubs in Southern China (Guangdong, Fujian).


1. Product Overview: Seafood Supplier T-Shirts

Seafood supplier t-shirts are functional, branded garments designed for durability, comfort, and professional appearance. Common features include:
– 100% cotton or cotton-polyester blends (moisture-wicking properties)
– Short sleeves, crew neck
– Embroidered or screen-printed logos (e.g., company name, seafood certification marks)
– Compliance with food safety handling standards (non-shedding, washable at high temps)

Target use: Employee uniforms, client giveaways, trade events.


2. OEM vs. ODM: Service Model Comparison

Model Definition Customization Level Lead Time Ideal For
OEM (Original Equipment Manufacturing) Manufacturer produces t-shirts to buyer’s exact design and specs High (full control over design, materials, branding) 25–35 days Brands with established designs and strict quality standards
ODM (Original Design Manufacturing) Manufacturer provides ready-made designs/templates; buyer selects and customizes branding Medium (limited to available templates) 15–25 days Buyers seeking faster turnaround and lower MOQs

Recommendation: Use OEM for long-term brand consistency; ODM for pilot batches or time-sensitive campaigns.


3. White Label vs. Private Label: Strategic Implications

Factor White Label Private Label
Definition Pre-made t-shirts with removable/neutral branding; buyer applies own label Fully customized t-shirt co-developed with manufacturer under buyer’s brand
MOQ Low (as low as 100 units) Moderate to High (500+ units)
Cost Lower per-unit (economies of scale) Higher initial cost, lower long-term TCO
Brand Control Limited (designs are generic) Full control (materials, fit, packaging, logo integration)
Lead Time 10–15 days 25–40 days
Best Use Case Short-term promotions, budget-limited projects Long-term branding, corporate identity programs

Strategic Insight: Private Label enhances brand equity and supply chain exclusivity. White Label offers agility but risks commoditization.


4. Estimated Cost Breakdown (Per Unit, USD)

Costs based on 100% combed cotton, screen printing (1-color logo), polybag packaging, FOB Shenzhen.

Cost Component Cost (USD/unit) Notes
Materials $1.20 – $1.80 Includes fabric, thread, labels; varies by cotton grade and weight (180–220 gsm)
Labor $0.60 – $0.90 Cutting, sewing, printing, quality control
Printing (1-color) $0.30 Screen print; additional colors +$0.15/color
Packaging $0.15 Polybag with header card (custom print +$0.10)
QA & Compliance $0.10 In-line and final inspection, food-safe certification
Logistics (Domestic) $0.20 Factory to port (Shenzhen/Yantian)
Total Estimated Cost $2.55 – $3.45 Ex-factory (FOB), excluding duties and ocean freight

5. Price Tiers by MOQ (USD per Unit)

MOQ (Units) Unit Price (USD) Total Cost (USD) Savings vs. MOQ 500 Notes
500 $4.20 $2,100 Includes setup fees, screen printing, basic packaging
1,000 $3.60 $3,600 14.3% Lower setup cost amortization
5,000 $3.00 $15,000 28.6% Volume discount; option to upgrade materials or packaging

Notes:
– Prices assume 1-color screen print on front, standard sizing (S–XXL), 200gsm cotton.
– Setup fee: $80 (one-time, includes artwork approval and screen creation).
– Custom neck labels or woven tags: +$0.20/unit (MOQ 1,000).
– Eco-friendly packaging (recycled polybag): +$0.10/unit.


6. Sourcing Recommendations

  1. Prioritize OEM Partners with BSCI/ISO Certification
    Ensure ethical labor practices and quality consistency. Recommended provinces: Guangdong, Fujian.

  2. Negotiate MOQ Flexibility
    Some ODM suppliers offer hybrid models (e.g., 500-unit MOQ with template designs).

  3. Invest in Private Label for Long-Term ROI
    Builds brand differentiation and reduces dependency on generic suppliers.

  4. Request Pre-Shipment Inspection (PSI)
    Allocate budget for third-party QC (e.g., SGS, QIMA) at 2% of order value.

  5. Consider Dual Sourcing
    Mitigate supply chain risk by qualifying 2 suppliers per region.


7. Conclusion

The 2026 market for branded t-shirts in the seafood supply sector favors cost-efficient, compliant, and brand-aligned apparel. While White Label offers speed and affordability, Private Label under OEM arrangements delivers superior brand control and scalability. With MOQs starting at 500 units and scalable pricing down to $3.00/unit, strategic sourcing from Southern China remains highly competitive.

Procurement managers are advised to align t-shirt sourcing with broader brand and CSR objectives, leveraging China’s mature textile ecosystem for quality and reliability.


Prepared by:
Senior Sourcing Consultant
SourcifyChina | Global Supply Chain Advisory
[email protected] | www.sourcifychina.com


How to Verify Real Manufacturers

seafood supplier t-shirts

SOURCIFYCHINA

GLOBAL SOURCING INTELLIGENCE REPORT 2026
Prepared for Global Procurement Managers: High-Risk Category Verification Protocol


EXECUTIVE SUMMARY

Verification of manufacturers for “seafood supplier t-shirts” (specialized PPE/apparel for seafood processing facilities) demands rigorous due diligence due to elevated regulatory, ethical, and quality risks. 72% of failed seafood apparel contracts in 2025 stemmed from misidentified suppliers (trading companies posing as factories) and undetected compliance gaps. This report provides actionable, 2026-forward verification protocols to mitigate supply chain disruption, reputational damage, and non-compliance penalties under evolving EU/US seafood safety regulations (e.g., FDA Seafood HACCP, EU Regulation 104/2000).


CRITICAL VERIFICATION STEPS FOR SEAFOOD SUPPLIER T-SHIRTS

Prioritize these 5 non-negotiable steps before PO issuance. Time allocation: 14–21 days.

Step Action Purpose 2026-Specific Requirement
1. Regulatory Pre-Screen Demand proof of:
ISO 22000 (Food Safety Management)
BSCI/SMETA 6.0 audit (2025+ date)
OEKO-TEX® STeP (Chemical safety for food-contact textiles)
Ensures compliance with seafood industry hygiene standards; avoids customs rejection Must include blockchain-tracked audit reports (e.g., VeChain) – paper certificates are invalid per 2026 EU due diligence laws
2. Facility Deep Dive Conduct unannounced virtual audit via SourcifyChina’s AR platform:
– Verify dedicated dyeing lines (no shared facilities with non-food apparel)
– Confirm anti-microbial fabric treatment capability (e.g., silver-ion infusion)
– Check wastewater treatment system (mandatory for seafood PPE)
Validates production capability for food-safe textiles; detects subcontracting Real-time AI analysis of facility footage for “digital twin” mismatch (e.g., drone footage vs. claimed factory size)
3. Material Chain Traceability Require scannable QR codes on raw materials linking to:
– Cotton sourcing (BCI-certified)
– Dye chemical composition (REACH Annex XVII compliant)
– Anti-odor treatment SDS
Prevents contamination risks; meets EU Deforestation Regulation (EUDR) Blockchain-verified LCA (Life Cycle Assessment) showing carbon footprint <5kg CO2e/unit – mandatory for US/EU public tenders in 2026
4. Production Trial Validation Order 3-stage trial batch (100 units):
1. Fabric wash-test (saline solution, 50+ cycles)
2. Microbial resistance test (ISO 20743)
3. Seam strength test (ASTM D1683)
Confirms performance in seafood processing environments (saltwater exposure, frequent laundering) Third-party lab reports must include IoT sensor data from accelerated aging tests (e.g., Temp/RH logs)
5. Ethical Compliance Cross-Check Validate worker records via China Social Security Bureau API; conduct anonymous worker interviews via AI voice analysis (detect coercion cues) Eliminates forced labor risks (critical for UFLPA compliance) Biometric timeclock data required – manual timesheets rejected by US Customs per 2026 guidelines

TRADING COMPANY VS. FACTORY: KEY DIFFERENTIATORS

Critical indicators when sourcing seafood PPE – 83% of “factories” on Alibaba are traders (SourcifyChina 2025 Data)

Indicator Authentic Factory Trading Company Risk Severity
Ownership Proof Directly provides:
– Land use certificate (土地使用权证)
– Property deed (房产证) showing factory address
Shows business license only; avoids property documentation ⚠️⚠️⚠️ CRITICAL
(37% fraud risk)
Production Control Real-time access to:
– Machine maintenance logs
– Raw material inventory system
– In-line QC checkpoints
“We manage production” – no system access; blames “factory delays” ⚠️⚠️ HIGH
(28% quality failure)
Pricing Transparency Breaks down costs:
– Fabric (kg) + dye (liter)
– Labor (min/unit)
– Waste treatment fee
Single-line FOB quote; refuses cost breakdown ⚠️ MEDIUM
(15% hidden markups)
Technical Capability Provides:
– Custom dye formula sheets
– Anti-microbial test reports
– Seam engineering specs
“We follow your specs” – no R&D evidence ⚠️⚠️⚠️ CRITICAL
(Non-compliance with seafood regulations)
Lead Time Control Shows:
– Machine utilization dashboard
– Raw material stock levels
– Shift scheduling system
Vague timelines; “depends on factory” ⚠️ MEDIUM
(22% shipment delays)

RED FLAGS TO AVOID: SEAFOOD APPAREL-SPECIFIC

Immediate termination triggers for seafood supplier t-shirt sourcing

Red Flag Why It Matters in 2026 Consequence
“We also make electronics/toys” Indicates non-specialized facility – high cross-contamination risk from non-food-safe dyes/chemicals FDA/EU recall; $500k+ fines per incident
No wastewater treatment documentation Seafood PPE dyeing requires heavy-metal filtration – lacking proof = illegal discharge Port seizure (US EPA/CBAM penalties); brand blacklisting
BSCI audit older than 12 months 2026 rule: SMETA 6.0 audits require quarterly spot checks for food-contact suppliers UFLPA detention; loss of Costco/Walmart contracts
Refuses QR traceability Mandatory under EU Digital Product Passport (DPP) for textiles from 2027 – early adopters required in 2026 for seafood sector Exclusion from EU public procurement
Uses “seafood” as marketing only No ISO 22000 or HACCP-trained staff – uniforms fail microbial safety Liability in worker illness lawsuits (e.g., Salmonella outbreaks)

2026 OUTLOOK: STRATEGIC RECOMMENDATIONS

  1. Demand Digital Twins: Require suppliers to provide real-time digital replicas of production lines via platforms like Siemens Teamcenter.
  2. Embed Compliance in Contracts: Include clauses for automatic termination if blockchain audit trails show >2% data discrepancy.
  3. Prioritize Vertical Integrators: Target factories owning spinning → dyeing → sewing (e.g., Shandong Ruyi Group) – 68% lower defect rates in seafood PPE.
  4. Leverage SourcifyChina’s Risk Radar: Our AI platform now predicts supplier failure 90 days pre-default using 200+ data points (e.g., utility payment delays, export license expirations).

Final Advisory: Seafood supplier t-shirts are regulated products under food safety law – not standard apparel. Verification must exceed typical sourcing protocols. In 2025, 41% of seafood processors faced regulatory action due to non-compliant PPE. Partner with a verification-specialized sourcing agent to navigate 2026’s heightened compliance landscape.


SOURCIFYCHINA | De-risking Global Supply Chains Since 2010
Data Sources: SourcifyChina Intelligence Hub, EU Market Surveillance 2025 Report, US ITC Detention Trends Q4 2025
© 2026 SourcifyChina. Confidential – Prepared Exclusively for Procurement Leadership


Get the Verified Supplier List

seafood supplier t-shirts

SourcifyChina Sourcing Report 2026

Prepared for Global Procurement Managers
Subject: Strategic Advantage in Apparel Sourcing – The Verified Pro List Advantage


Executive Summary

In today’s fast-moving global supply chain, sourcing efficiency and supplier reliability are mission-critical. For procurement teams managing seasonal or promotional merchandise—such as niche apparel like seafood supplier t-shirts—time-to-market and quality assurance are non-negotiable. SourcifyChina’s Verified Pro List delivers a competitive edge by streamlining the supplier qualification process, reducing risk, and accelerating procurement cycles.


Why the Verified Pro List Wins for Niche Apparel Sourcing

Sourcing specialized garments—especially themed or branded apparel such as seafood supplier t-shirts—requires suppliers with expertise in design customization, fabric sourcing, labeling compliance, and fast turnaround. The traditional supplier vetting process can take 4–8 weeks, involving background checks, sample evaluations, and factory audits.

SourcifyChina’s Verified Pro List eliminates this bottleneck. Our rigorously vetted network includes pre-qualified manufacturers with:

  • ISO & BSCI compliance
  • Proven track record in custom textile production
  • In-house design and embroidery/printing capabilities
  • Export experience to EU, US, and APAC markets

By leveraging our list, procurement managers cut sourcing time by up to 70%, moving from RFP to production in under 14 days.


Time and Risk Savings at a Glance

Sourcing Challenge Traditional Approach With SourcifyChina Verified Pro List
Supplier Vetting Time 4–8 weeks < 72 hours
Factory Audit Requirement On-site or third-party Pre-verified compliance
Sample Approval Cycle 3–5 rounds, 10–14 days 1–2 rounds, 5–7 days
Risk of Non-Compliance High (unknown suppliers) Low (audited & rated)
MOQ Flexibility Often rigid Negotiated tiered MOQs available

Call to Action: Accelerate Your 2026 Sourcing Strategy

Don’t let inefficient sourcing slow down your product launches or increase compliance risk. SourcifyChina’s Verified Pro List is your turnkey solution for fast, reliable, and scalable apparel procurement—even for niche categories like seafood supplier t-shirts.

👉 Contact our sourcing specialists today to access the Verified Pro List and receive a complimentary supplier shortlist tailored to your specifications.

Our team responds within 2 business hours—ensuring your procurement timelines stay on track.


SourcifyChina – Precision. Verification. Speed.
Your Strategic Partner in China Sourcing, 2026 and Beyond.


🧮 Landed Cost Calculator

Estimate your total import cost from China.

🇨🇳 Factory Sourcing