PRAQ S.A

Dandong Zhonghe Chemical Plant produces more than 50 types of products, including fluoroborates, fluorotitanates, fluorozirconates, fluoride series, and sulfates, with titanium oxide sulfate as the main component. In addition, there are also nitrate

Qingdao Weidongke Rubber and Plastic Technology Co., Ltd. is a high-tech enterprise specializing in the research and production of functional masterbatch, specialized polymer materials, and specialized additives in the field of polymer materials. The

Shanghai Tangxin Activated Carbon Co., Ltd. is a professional manufacturer of activated carbon. Its activated carbon production system has passed ISO9001 international quality system certification and can provide various types of activated carbon (ac