Shanghai Stero R&D Co, ltd is fully aware that there are no shortcuts to quality. We has a complete Q.A. & Q.C. system. 

The Testing Procedures:

The Factory have hundreds of tests that are used to determine purity, such as HPLC, GC and UV spectrophotometer to analyze and control the products. potence and quality of the materials and end products all of which utilize state of the art equipment which ensures complete accuracy.

Product Testing:

At any point during production a product may be tested. If it doesn't meet regulation standard the batch is immediately withdrawn and in the final stages of production the product must undergo the final quality control procedures before it may receive the 'pass' grading which releases it for sale.

Repeated Checks:

Repeat check to guarantee the high quality of product.