Wenzhou ZHENG YU Light Industry Machinery Co., Ltd is a comprehensive manufacturing and trading company founded in 1984 in China. Our main products are sanitary stainless steel valves and sanitary stainless steel pipe fittings, which are widely used in areas like dairy products, food, beer, and beverage, pharmaceutical, cosmetic. Zhengyu is one of the most powerful manufacturers of sanitary fluid equipments in China.

We have internationally advanced techniques and the latest numerically controlled processing equipments. The equipments include most advanced LG MAZAK CNC processing center, CNC turning machining center and several of automatic production equipments.

Since 2002, Zhengyu established long-term cooperation relationship with a number of Europe and North America Machinery Companies and trading companies.

Our company has implemented rigorous supervision over product quality in production. Our products are produced strictly according to industrial standards such as ISO, DIN, SMS, IDF and 3A.

Zhengyus valve series includes manual /pneumatic / electric operated butterfly valve, ball valve, and diaphragm valve, stop reversing valve, adjusting valve, safety valve, mix proof valve and special valve. Tank fluid facility includes manhole cover, cleaning ball, sanitary rebreather, liquid indicator, sight glass, filter, sample valve. Pipe fitting series includes union, tri-clamp union, welded /clamped/threaded elbow, tee, reducer and kinds of pipeline connecters.