Ningbo EST Chemical Co., Ltd, is engaged in developing, production and trading of pharmaceutical material, intermediate, and fine chemicals, all products are produced and inspected as per international export standard, and most productsare for foreign market with much compliments for the quality of our products from our customers. Our target is to develop new high-tech chemicals, to meet the requirement of our customers abroad and domestic......

Amprenavir CAS# 161814-49-9	Glutathione CAS# 70-18-8	Mecobalamin CAS# 13422-55-4	Cyanocobalamin CAS# 68-19-9
Hydroxocobalamin CAS# 13422-51-0	Hydroxocobalamin acetate CAS# 22465-48-1	PHMB CAS# 32289-58-0	PHMG CAS# 57028-96-3