Beijing Health Science & Technology Co. Ltd (BHST) is specialized in the R&D and manufacture of electronic chemicals and phosphine ligands. BHST has set up the industry column chromatography units and molecular distillation units for the purification of products, and the pilot synthesis systems for superfine chemicals, and quality control labs equipped with liquid chromatograph, gas chromatograph etc. Now a series of electronic chemicals such as BIQ-TCNQ、TCNQF4、TCNQ、EDOT and phosphine lig...