NingBo Sanzhuang Valves CO.,Ltd. Was Founded in 1980 and our company is specialized in producing lpg pressures regulator,lpg bottle valves,aluminum-plastic composite,copper fitting and quick close fittings.
　　Over the past twenty five years, our company amplifies management system and continuously expands capability .now there is a team of competent technicians and skilled workers and they keep improving and continous to develop new products to base on market demand. Our company wins honor of laying stress on contract and keeping promise for five years in succession, every year ,our company makes 3 million lpg pressure regulators ,90% of which are exported .3 million lpg bottle valves ,95% of which are exported. 500 t of aluminum-plastic composite pipe fitting and pp-r pipe fitting cooper parts and 30 million units quick close fittings ,all of which are exported our products feature nice appearance , compact structure, assure reliable preformance and safety using.they are well repute over 20 provinces and 90 cities in china,and exported to more than 10 countries and regious，such as europe，united states,southeast asia,middle east,taiwen and so on.Our products are received high appreciation from the users.
　　Both household lpg pressure regulator and lpg bottle valve have been tested by state city gas testing center and all pertormance are in compliance with state standard.the authority issues the company the nationwide industrial production permit.our company was certified by iso9001-2000 international quatity management system, and also have ce certificate.
　　Our company is located at eastern zhejiang costal area with convenient transportation.It connects hangzhou-ningbo high way while in the north it links the first long bridge in the world which is under constrction.It is only 70kms drive from our company to ningbo leshe airport and 90kms to xiao shan international airport,respectively.