Longwan Zhengda Machinery Plant - Hefei, China

Wenzhou Zhengda Machinery Factory Wenzhou Zhengda Machinery Factory is a set of design, manufacture and sales of specialized private ownership of firms with low valve. Production of valves, seals, air compressor parts and springs and so on. Factory since its inception, has always been to produce high-quality valves and other main line, to the credibility of survival, quality services and development. Sincerely welcome old and new users to use high-quality valve factory