Hebei Haihua Petroleum Proppants Co., Ltd, subjected to Haihua Industry Group, is a Professional factory which specializes in manufacturing ceramic proppant for hydraulic fracturing in Oil field. Our company has possession of two automatic production lines, and has a production capacity of 80000 metric ton annually for various specifications, which have created the largest output capacity of single line. The products mainly were exported to the oil field of Russia, Kazakhstan ???????????????orth of ...