Shandong Shouguang Kunlong Petroleum Machinery Co., Ltd, as a high-tech joint stock corporation specialized in the R&D, manufacturing of petroleum machinery and supporting petroleum engineering service, was established in 2000. Kunlong owns three wholly-owned subsidiaries: Shandong Longhao Petroleum Equipment Co., Ltd., Xinjiang Kunlong Petroleum Equipment Co., Ltd. and Xinjiang Caifeng Petroleum Engineering Technology Service Co., Ltd. Our company has established nine branches and representa...View More