Chongqing Changfeng Chemical Co., Ltd. was_founded in 1999 in Chongqing, China and established to provide technical solutions in Drilling Fluid Systems and Specialty Chemicals for the drilling fluids industries primarily in Asia.

We market complete line of premium quality drilling fluid additives either manufactured to our specifications or purchased from leading manufacturers of drilling fluids in the industry, to provide all of our clients with the complete services.

With production plant which uses phosgene and aromatic amines as main intermediates, we manufacture some gasoline additives derivated from phosgene. Among them, No 3 Gasoline Additive is a patented product, which can dramatically boost the octane value in gasoline and we, ChangfengChem is exclusively authorized to produce it in China.

Having representative offices in Indonesia, Russia, Germany and India, we are in a position of supplying good prices, prompt delivery, all-round after-sales service to these countries as well as areas around them.