Polysilicon Supply-Chain Ethics: Test the Traceability Claim
A solar ethics declaration is not enough. Use the polysilicon-to-module evidence chain to test what a supplier can actually substantiate.
Articles
Source-backed stories that reveal the Chinese manufacturing systems behind global products, brands, prices, and risks.
Solar Panel Customs Valuation: Reconcile the Real Transaction
A lower module invoice or freight-included quote is not a U.S. customs valuation method. Map payments, assists, commissions and records before entry.
Solar Module Shipping Terms: What Freight Included Still Leaves With You
A freight-included solar module quote does not settle risk, insurance or document control. Map the named handover point before a container is released.
Solar Panel Serial Numbers: The Five Records a Warranty Claim Needs
A solar module serial number is useful only when it connects to a model, purchase, project, shipment and condition record. Build the file before factory...
Solar Panel Warranty Claims: What LONGi's Fine Print Means for Buyers
A solar-module warranty is a proof, timing and cost-allocation system. Read a published LONGi warranty with a buyer's eye before you release payment.
How to Find a Factory in China: Evidence Gates Before Each Payment
Use discovery channels to create leads, then progress through defined RFQ, sample, and production-release evidence gates before paying a Chinese factory.
Quality Control in Chinese Factories: Build a Defect-to-Release Evidence Chain
A buyer framework for Chinese factory QC: define the product, contain defects, sample the lot, verify corrective action, and record the release decision.
China’s Rare Earth “Monopoly”: The Buyer Risk Is a Magnet Supply Chain, Not One Mine
By China Made & Tech Team. This is desk-researched supply-chain analysis, not legal, customs, export-control, engineering, investment, or supplier advice.
Sungrow Grid-Forming Tests and Poland Factory: What European Buyers Still Need to Prove
Sungrow's grid-forming validation and Poland factory plan are useful procurement signals, not project acceptance. A buyer file for system evidence, local...
Southeast Asia Solar Duties: Build the Producer File Before You Buy
A US buyer file for Cambodia, Malaysia, Thailand, and Vietnam CSPV quotes: what the 2025 AD/CVD orders establish and what must be verified before award or...