Quality Control :

CPC zippers Shanghai factor is an ISO-9001 certified factory. Each zipper is produced under strict quality control system to assure the good quality. Our promise : offering good quality zipper to our valued customers.
Quality zipper to our valued customers.
Quality is important or low price ?
If you are looking for cheapest or low-end zippers, it may not have chance to know what is your zippers standard. It seems not possible to have right quality with too low offer. Then you maybe face high risk for loss and stand in uncertainty position due to unknown quality. We welcome you to discuss with us about quality standard.

Quality Approval Procedure :

First, we will quote our offer and give the quality samples for customer's approval. Varied quality standard will affect the cost; some higher standard may need to use special material. Per our customers' request, we can list the quality standard and give the test figure to our customers; the test content will be as follow :

A. Zipper strength :

1. Chain crosswise strength
2. Holding strength of top stop
3. Holding strength of bottom stop
4. Resistance to pull-off slider pull
5. Slider locking test

B. Color Fastness :

1. Color fastness to washing
2. Color fastness to crocking
3. Color fastness to light

C. Safety Regulation :

1. AZO free for dying
2. Lead content under limit

If your order needs to meet the international standard such as USA STMD2061-1987 or British BS308-1992, Please inform us before order placing, we will discuss and finalize.