(a) the registration address of hebei oil drilling equipment limited, located 500 metres south of the village of west hampshi village in anbei county, is the city of water control and is represented by the legal person zhang sunyang, and includes the production and sale of: equipment and accessories dedicated to oil machine drilling, parts and components for mine machinery equipment, vibrating filters and accessories, blenders and accessories, rubber products (except for medical rubber), plastics (except for medical plastics), polyurethane products, valves, power pumps, centrifuges, vibrating nets, fences, fences, steel panels, punch nets, wiring products, filaments, wires, slurry pumps, hydraulic pumps, sand pumps, cutting pumps and accessories, five gold electrics, axes, gear gears, gears, metal lifting gears, industrial chains, ducts, high voltage pipes, electric cables, wires, wires, wires, filts, rins, slubbers, smelting tanks, general metal lifting equipment, and metal lifting equipment, etc