• Cheland Pharma. Tech. Co., Ltd.

  We are a private chemical laboratory which is specialized in research and developping of new drugs and chemicals, we also do some custom synthesis and contract manufacturing.

  Telephone：0086-512-68780025Address：Halei Road, Zhangjiang Hi-Tech Zone, Shanghai, Shanghai, China

• WEALTHWIDE INTERNATIONAL LTD.

  Wealthwide International LTD. was founded in 1999, is a has nearly 14 years history, specializing in the production of quaternary ammonium chemicals (quaternary-N chemicals), synthesizing special chemicals.

  Telephone：86-571-86538138Address：Floor 5C 3rd Building TuoSen Technology Park,NO.351 ChangHe Road,Binjiang District, Hangzhou, Zhejiang, China