Tianjin Aoran Institute of Fine Chemicals

Petroperú is a state-owned company under private law dedicated to the exploration, exploitation, transportation, refining, distribution and commercialization of fuels and other petroleum products.

Shanghai Kolelike Machinery Co., Ltd. is a high-tech enterprise specializing in the research and manufacturing of powder industry micro powder equipment, and is known as the "micro powder expert" in the industry. The company's main products are HGM s

Wolftechnik filter housings and filter elements can be found in many manufacturing processes of chemicals and liquid raw materials for removal of solids and yelly-like impurities.