Puyang Wanbo oilfield Pump & Equipment Co. Ltd. (It grew out of Pump Factory of Puyang Zhongshi Group Co., Ltd.) is affiliated with Puyang Zhongshi Group Co., Ltd. . Our company has more than 60 employees, with registered capital 5.69 million yuan, production plant area covering an area of 20000 square meters. We have kinds of complete production and processing equipment, including lathe, milling machine, drilling machine, the honing machine, electroplating equipment, straightening machine, cylindrical grinder, coreless grinder, welding machine, screw machine, marking machine, pressure testing machine, induction remelting machine, drying oven, vacuum machine, sawing machine and other equipment, and all kinds of measuring, inspection tools more than 200 sets. Our main products are oil and gas equipment series, series of drilling solid control equipment accessories, downhole tools, wellhead, well cementing, colored steel, steel structure, pressure vessel, camps, and other products. Puyang Zhongshi Group Co., Ltd. was founded in 1996, which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC . The company registered capital is 60.83 million yuan, with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff . Oil machinery is our main products, the leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels, drilling solid control series products and cementing accessories. We had attained ISO 9001 in 1998 and API Certificates in 2002 .