Hebei Chuanyuan Hydraulic Engineering Co.,ltd is an enterprise provided with the internal first-rate computer testing system for performance of pumps ,HP motor inspecting system of world advanced level, dynamic balance detecting device and certain level of machinery processing ability, riveting and welding processing ability. In the company there are some people of senior economist, senior accountant and senior engineer,8 management and technical people with the titles of technical position of accountant, engineer and technician who are provided with a certain level of operating and technical innovation abilities. It mainly produces waste water submersible pumps ?sewage submersible pumps ?submersible aerator of jet stream type ?sludge water extractor?frequency -translating static pressure water supply system and non-standard equipment used in sewage treatment