Shanghai CHANGZHENG PUMP&VALVE Co., Ltd. is a joint-stock industry company limited restructured from CHANGZHENG PUMP&VALVE (WATER PUMP) FACTORY which is famous and time-honored with a glorious history of over thirty years of production experience in China. It's an export-oriented economic entity integrating scientific research, development, production, sale and service. Our water pumps and valves under the brand ZHENGNAI are time-honored and enjoy a good reputation. Covering a floor area of 26, 680m 2, our headquarters is situated in Changzhen g Industrial Park, 312 Chunnong Road (formerly 12 Lvhuan Road), Huangdu Industrial Zone, Shanghai International Automobile City. Our old factory, covering a floor area of 43, 966m 2, is located in Nanba, Chongming. Our company is provided with intelligent office buildings, modern standard production workshops and processing centers, a scientific research institute for water pump, valve and fluid, a large-scale national class B water pump test center and valve testing units. Besides, we took the lead in passing the certification of ISO9001: 2000 International Quality Management System. Our quality objective of "lasting, durable and real" is also a solemn commitment which our brand ZHENGNAI has made to our users.

Our products include four major series: Water pump, valve, environmental protection equipment and electrical installation, with over 2, 000 specifications and types, which have such advantages as originality, high effficiency, energy saving and unique performance. With import-like quality yet home-made price, our products have enjoyed a good reputation in such industries as chemical engineering, environmental protection, building, fire control, heating and ventilation, water supply and drainage, metallurgy, paper making, pharmacy, food, electricity and bioengineering. We've set up branches in all middle and big cities of China plus a huge sales team and a perfect marketing and service network. Therefore, we've evolved into an international, cross-regional and cross-ownership enterprise with "hierarchical organizational structure, joint-stock economic sector, specialized production division and internationalized sales network".

In recent years our company has been attaching importance to new product development and technological transformation, focusing on investment performance and making great efforts in management of product quality and production. Our products adopt the most advanced production processes and strict quality management systems from Germany, Italy, America and so on.

CZPV members have all along been adhering to such a development guideline: "LED by world high and new technologies and guided by the objective of international advanced level for development by technology, survival by quality, market share by credit and performance by management".

CZPV members have all along been upholding such an operational philosophy: "quality and customers first". We service our customers by right of the highest quality, the shortest delivery period, the best service and the most preferential price. We warmly welcome old and new friends both at home and abroad to visit us for business talks, investigations or directions.

ZHENGNAI staff members would like to join hand in hand with people from all walks of life for common development.