Hebei Huaqing Optoelectronics Material has the Professtional Quality Control department, implementing prevention-oriented risk management concept, making sure the quality from raw material to finished material, and equipped with advanced analytical instruments such as HPLC, GC, LCMAS, DSC, TGA and metling point meter, etc. We will complete ISO 9001 , 14001 and OHSAS 18001 quality system authentication in Aug.