Blog topic

Sourcing & OEM

Guides to buying from a Chinese factory: MOQ and samples, tooling, OEM and private label, packaging, and the questions to settle before your first order.

Sourcing & OEM
Are Sample Fees Refundable?
Sample fees are usually credited against the first production order rather than returned as cash. What the fee covers, who pays courier, how to word it.
Read article
Sourcing & OEM
Why Plastic Containers Grow Mold
Mold in plastic containers grows at the seal, not in the plastic. Why the gasket groove keeps water, which gasket to specify, and the drainage details to list.
Read article
Sourcing & OEM
Injection Mold Design: 4 Checks
Gate position, draft angle, parting line and weld line decide how a food container looks and whether it seals properly. What to review before steel is cut.
Read article
Sourcing & OEM
Wholesale Airtight Containers
A reorder is a carton decision, not a units decision: read canister sell-through per size, convert it to cartons, and cut what cannot clear inside the cycle.
Read article
Sourcing & OEM
Factory vs Trading Company
A lunch box quote can come from the plant that molds it or a reseller selling the same output. Four checks — license, tooling, cartons, documents — decide.
Read article
Sourcing & OEM
LSR vs Compression Molded Seals
Liquid silicone injection molding and compression molding make the same gasket two ways. What changes is tool cost, cycle time, flash, squeeze and volume.
Read article
Sourcing & OEM
Chinese Factory Payment Terms
Payment terms with Chinese suppliers are quoted as 30% deposit and 70% balance. The split is the easy part — the milestone behind each wire is the real term.
Read article
Sourcing & OEM
Why Plastic Container Lids Leak
A reusable container leaks where three tolerances meet: the gasket groove, the latch clamp and the rim's flatness. How to write a leak spec a factory can meet.
Read article
Sourcing & OEM
LCL vs FCL for a Mixed Order
An LCL vs FCL decision worked from real carton sizes and weights: what mixed lunch boxes, canisters and drip trays occupy, and how to compute the break-even.
Read article
Sourcing & OEM
Airtight Container for Flour
Five pantry canister niches ranked by measured search demand — flour, rice, coffee bean, brown sugar and cookie — and the capacity rung each has to clear.
Read article
Sourcing & OEM
Pre-Shipment Quality Inspection
The first-article, AQL and pre-shipment checks to write into a purchase order — real sample sizes, accept/reject numbers and carton tests for food containers.
Read article
Sourcing & OEM
Is MOQ Per Order or Per Product?
MOQ can be counted per order, per model, per colour or per carton. See how each unit reaches a quotation and why a mixed order misses four floors at once.
Read article
Sourcing & OEM
Reading an Injection Mould Quote
Tooling cost, cavity count, steel grade, mould ownership and tryout: how to read an injection mould quote line by line before you sign the purchase order.
Read article
Sourcing & OEM
Injection Molding Prototype
What a printed verification sample proves before you cut steel, what only the first molded part can prove, and what a buyer should sign off at this stage.
Read article

Sourcing & OEM

Are Sample Fees Refundable?

Why Plastic Containers Grow Mold

Injection Mold Design: 4 Checks

Wholesale Airtight Containers

Factory vs Trading Company

LSR vs Compression Molded Seals

Chinese Factory Payment Terms

Why Plastic Container Lids Leak

LCL vs FCL for a Mixed Order

Airtight Container for Flour

Pre-Shipment Quality Inspection

Is MOQ Per Order or Per Product?

Reading an Injection Mould Quote

Injection Molding Prototype