Hebei Hengsheng Industrial Co., Ltd., with the original name Botou Gear Pump General Factory, majors in the production of all kinds of volume pumps. It's a national Second-grade industry, the pointed professional factory of the Mechanic Industry Ministry, the equipment source member factory of China Petro-Chemistry General Company, and one of the main industries of China pump line. ¡¡¡¡Up to now, the company has the professional research history of over 30 years. It has the perfect producing and testing methods and the abundant technical strength. The products are widely used in the chemical industry, petroleum, coat, electric industry, food and oil, construction materials, metallurgy and the national defense scientific and research, etc. They have been sold to Middle East, Southeast Asia districts, etc. The sales volume is in the leading position of the same line. ¡¡¡¡This company has researched and produced all kinds of gear pumps, screw pumps, inner-rotor pumps, outer-rotor pumps and sewage pumps, etc. They have obtained 'provincial quality grade', ' 'Ministry quality grade 'and the golden prize of the China 6th ''New Technician and New Products Fair' early or late. All the products have gone through the guarantee of the National Coat Commodity Bureau. ¡¡¡¡The new type NYP inner ring type high viscosity pumps, has filled the blanket of our country. 3RP-type cam station rotor pump has the property in the international leading position. WZW type self-absorbing sewage pump is originated firstly in the country. The energy saving coupling shaft researched in 1995 with the property of energy saving and safety is the national patent products.