Process Capability :   The company set up perfect quality assurance system, has a group of high-quality scientific research team, has the rich technical reserves and experience. With advanced testing means and strict testing system from the product in the inventory of raw material, production process and finished product storage are conducted a comprehensive detection effectively, guarantee the quality of the product. All products are provided when batch inspection report and related maps and each batch of product testing conditions; All products are need by nuclear magnetic and mass spectrometry to determine whether the corresponding material.

After-sale Service :   If the customer at any time using our products appear quality problem, we will be responsible, if you find our products is real problem we will promise to return or exchange. (reference substance belongs to the extraction of effective components from natural plants, commonly known as the active ingredient, in the long time exposed to the air products will produce a physical change with air, resulting in lower product purity. Therefore, all products should be preserved in the refrigerator, must be sealed and retention period shoulds not be too long, 2 years for the best.)