Zhejiang National-valve Technology Co., Ltd, founded and reconstructed based on Zhejiang Kaideer Valve Co., Ltd.a subsidiary of Jiangnan Holding Group with a history of over 20 years, is located in Wenzhou City, a frontier in Chinese tides of reform and opening to the outside, its headquarters is situated in a cross of Binhai Avenue and Binhai Tenth Avenue in Binhai Industry Park, Wenzhou while its sales office in #3437 Yongqiang Avenue where adjoins to Yongqiang Airport and enjoys a very convenient traffic, and is a ideal place for the development of business and economy.Nationa-valve is dedicated to professional manufacturing and sales of valves, since its establishment, it inherits the outstanding traditions of Jiangnan and Kaideer to strive for and innovate by persisting on ideas of Constructing National-Valve By Technology and Serving Customers with Honesty, a high efficiency team with exquisite technology and professional R&D and management is established to accumulate vast professional experience on production and form a professional production system and perfect quality control system.Based on these aspects, it obtained the certifications of ISO9001:2000 intemational quality system, TS national pressure pipeline elementsmanufacturing license and CE and so on.In order to meet the needs of enterprise develppment, an intemational advanced production streamline of welded ball valve and butterfly valve have been introduced on the basisi of original production equipments of valve to upgrade the equipments and enjoy an enough capacity of over ten thousand production volume, besides, to ensure quality and production volume, moreover, the sales of products are arising will, and there is a prodcution of high quality end valves to open an intemational market.We belive in that we will be persistent in management concepts of Technology-based development, Being Professional and Perfect, Stable Development and Innovation, and the quality policy of Quality-basd survival