Profile: Shanghai 3W Industry Co., Ltd. focuses on chemical products scientific researching, producing and trading. Our pigment product line includes carthamus yellow, chloroganic acid, radish red, buddleog lucosde, gardenia yellow and sweet potato red. We also offer medicinal intermediates including 1-methylimidazole, 2-phenylimidazole, 2-methylimidazole, imidazole, dantrolene sodium, bufexamac, climbazole and metronidazole.