Puyang Zhongwei Fine Chemical Co., Ltd. is located in the central plain of oilfield with abundant raw materials - PuWang Industrial Park, Henan Province. Our energy resources are enough, and our mainly products are hydrocarbon refrigerants and raw materials, with an annual output of 400000 tons of refrigerants and raw materials (R600a, normal butane, n-pentane, cyclopentane, new international vegetable oil extraction, R433b (it can replace R22) categories of A3 environmental protection refrigerants, R436a (it can replace R134a) categories of A3 environmental protection refrigerants, R290,R600a, SC47C, SC134a a micro fuel A2 class environmental protection refrigerants). Our company is the biggest hydrocarbon refrigerant manufacturer in Asia, and a national high and new technology enterprise. Our company uses advanced equipment and production technology, and is the only global coding product Ashrae manufacturer. With high-quality products and perfect services, our company becomes a high-quality supplier of Sinopec and Petro China. Our company has established product research and development, production, sale and service departments to provide professional technical ability and raw material processing - finished product complete production line. We obtained ISO9001, ISO14000 and SA8000quality management system certifications. All staff members in our company sincerely welcome clients from domestic and overseas markets to visit us for guidance and seek common development!