Quality Inspection Center
Sinotrust Chemical Co. Ltd strictly control the quality, each lot must be strictly inspected by the QA dept. The goods will be allowed to leave factory only after quality passing inspection. Same time, the sample for each lot will be kept one year. When issues happened, we or the third authority party could reinspect.
Before each new customer issue orders, free sample is supplied for test, We ensure the sample quality is same as bulk quality.
