Jing Bo Jing County, Hebei Province of China Petroleum Machinery Co., Ltd. Petroleum Corporation well control equipment manufacturing center of high-pressure fire hose supporting branch, the former China National Petroleum Corporation designated production well control the only company dedicated hose. PetroChina, Sinopec, CNOOC Group a network of three members of the International Association of Drilling Contractors. The company has passed API Spec Q1, ISO9000 quality system and API Spec 7K, 16A, 16C logo certification. Company in 2009 was named high-tech enterprises with advanced production equipment and perfect testing means,