Hongkong Millddle Road Qingdao, Shandong
Qingdao Leader Int\'l Trade & Inustry Co.,Ltd which is the sales office of Laizhou Toppower Petroleum Machinery and Green Chemicals Co.,Ltd. Focusing on producing petroleum machinery, chemicals for oil gas, tools, tube, casing tube coupling 15 years, most ...
hydraulic power tong, oil drilling equipment, petrochemical