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,...