I'm Justin Liu, Founder & Independent Sourcing Agent at validsourcing. I work with e-commerce sellers, including Amazon sellers, wholesalers, overseas retailers, and other international buyers.
Whether you visit Yiwu in person or work with me remotely, I personally manage multi-supplier, multi-category sourcing, inspection, warehousing, and consolidation, then coordinate international shipping with freight-forwarding partners.
From product requirements to consolidated shipment, I keep multi-supplier orders organized through one direct point of contact.
I source and compare products across multiple Yiwu suppliers, negotiate terms, and keep every order organized through one direct contact.
Learn More →Every SKU is checked before shipment against the criteria you approve, with photos, measurements, and clear findings.
Learn More →I compare routes and quotations, coordinate freight-forwarding partners, and support consolidated and full-container shipments.
Learn More →Complete FBA prep services including labeling, bundling, poly-bagging, and palletization. Ready-to-ship inventory for Amazon fulfillment centers.
Learn More →Browse my most popular sourcing categories. With access to 75,000+ Yiwu market booths, I can source virtually anything.
I have supported both in-person market visits and remote sourcing projects across a wide range of Yiwu products.
Visit Yiwu in person or work with me remotely — I manage the sourcing process around your requirements.
Experience across homeware, toys, hardware, electrical accessories, and other Yiwu consumer product categories.
I coordinate multiple suppliers, check every SKU, consolidate goods in my warehouse, and arrange shipping support.
Yiwu International Trade City spans over 4 million square meters with 75,000+ booths across five districts. It supplies products to over 210 countries and regions worldwide.
I'm based just minutes from the market, allowing me to personally inspect products, negotiate directly with suppliers, and ensure you get the best quality at the most competitive prices.
Real photos from the market, inspection, and FBA prep — the same work I do for every order.
I check samples from every SKU against your approved criteria. Full piece-by-piece inspection is available at an additional fee.
I compare supplier details, product samples, quotations, and available business information before you confirm an order.
I monitor production timelines closely with regular updates. If delays occur, I proactively communicate and offer solutions.
I communicate directly in English, welcome Spanish-speaking clients, and support written inquiries in Spanish, Portuguese, and Russian with translation assistance.
Yes — I help you start with a small trial order of samples or bestsellers before scaling up, and I can combine multiple products into one trial shipment.
I check samples from every SKU against the criteria you approve, including appearance, quantity, dimensions, color, packaging, and basic function. Full piece-by-piece inspection is available at an additional fee.
I offer sea freight (25-35 days), air freight (5-10 days), and China-Europe rail freight (15-20 days). I help you choose the best option based on your timeline and budget.
Yes! Complete Amazon FBA prep: FNSKU labeling, poly-bagging, bubble wrapping, bundling, palletization, and FBA shipment plan creation. Your inventory arrives 100% ready for Amazon fulfillment centers.
Typical timeline: requirement analysis (1-2 days), supplier search (3-5 days), sampling (5-10 days), production (15-30 days), QC inspection (1-2 days), shipping (varies by method). Most projects complete within 30-60 days.
Transparent fees: 1-5% of order value or fixed project fee. Payment: 30% deposit to start, 70% before shipment after QC approval. Contact me for a tailored quote for your specific needs.
