QHChemicals insists focusing on taking care of customers'' need and keep improving ourselves in Quality Control and Quality Administration.Detailed management is carried out in every aspect of Quality Control and Quality Administration in order to make sure the quality of every lot of products meets our customers'' requirements.

Every product we deliver includes a Certificate of Analysis with complete detailed information on lot number,product inforrmation,date of expiry, specification and typical analysis data.

High technologies such as HPLC, GC, TLC, LC-MS, IR, Determination of Specific Rotation, Chiral Analysis, Titration Analysis and Analysis of Amino Acids are introduced in Quality Control and Quality Administration.Raw material,Intermediate and Products are strictly tested and administrated in every step of the manufacturing process in accordance with ISO9001:2000 to ensure products have the top quality for our customers.