joinbag factory is a professional manufacturer for bags.

QA/QC Introdution

We have established a fully integrated QC system to strictly control products'quality at every stage,including raw material selection,fabrication, printing, sewn, packaging and delivery.We are continuously updating our production procedures and equipment to ensure all products are manufactured and delivered in good orders and conditions.We apply the strictest quality control procedures to get refined products.In production,we have many experienced QC engineers to test our products.