北京精益精化工有限公司

北京精益精化工有限公司

• BusinessType：Manufacturer
• CountryRegion：CN

We are ISO9001 & 14001 manufacturer for parmacuetical intermediates. such as Squaric Acid derivatives;Organic Silicon Series(BSA, BSTFA, Trimethylsilyl Cyanide, 2, 2, 4-Trimethyl-[1, 4, 2]oxazasilinane, ect); Heptanedinitrile, Heptanedioic Acid, 2-Sulfobenzoic Anhydride, 1-Bromo Adamantene, Cyanoimino Dibenzyl, 4-Bromo Isoquinoline, 5-Nitro Isoquio… More