Short answer A Chinese supplier Proforma Invoice (PI) is not just a price list. It is a short legal contract that locks product spec, payment terms, delivery terms, and Incoterms risk. A small importer who reads the PI for the unit price alone usually misses the clauses that decide whether a dispute is winnable. The … Read more
A practical buyer checklist for locking USB-C PD charger components, validating rated output, and checking production evidence before bulk shipment.
Short answer Stand-up pouches from China often leak at the bottom seal in the warehouse because the laminated film, the bottom-gusset adhesive, or the seal temperature window was not specified in the purchase order. The sample held coffee for six weeks. The bulk run starts leaking through the bottom seam after two. The buyer complaint … Read more
Short answer A glass pitcher that looks thick and heavy on the sample can crack when hot water is poured in, because the factory quietly shifted from a borosilicate formulation to a soda-lime formulation between sample and bulk. The pitcher that survived the kitchen is not the same glass as the one that broke. The … Read more
Short answer A USB hub sample from a Chinese supplier that runs three drives at once, then drops one device when a fourth is added, usually points to insufficient power delivery, cheap USB controller silicon, or missing per-port overcurrent protection. Sample-level tests rarely stress power budgets, so problems appear only in bulk usage. You can … Read more
Short answer: soft corners usually come from a weak paperboard structure, a loose insert, or an export carton that protects the box face but not the box edges. The supplier may show a beautiful sample, but the sample does not prove that the same box will survive stacking, ocean freight, courier handling, or Amazon-style receiving. … Read more
Glass food container breakage rates from China suppliers explained. Learn the real industry standard, how to file a claim, and the exact packaging requirements to prevent damage.
Short answer: a USB-A to USB-C cable can feel tight on day one and start wobbling inside the phone port after two or three weeks. The connector still works, but customers notice the play, leave 3-star reviews, and open return tickets. This is almost never a firmware issue. It is a mechanical tolerance and connector-quality … Read more
When you receive a batch of custom corrugated boxes from China, you might notice the edges feel soft or crush easily even though the supplier quoted the same “3-layer E-flute” you asked for. This is one of the most common packaging quality issues small importers face. Why this happens Corrugated box stiffness depends on two … Read more
Short answer: bamboo drawer organizers usually develop mold smell or warped corners because the material was not dried, finished, stored, or packed for the humidity journey it had to survive. A clean factory photo does not prove the goods are dry inside the carton. A real buyer question is: “My bamboo drawer organizers looked good … Read more
