Established in 1986, our company occupies an area of 20 mu, with an area for workshop of nearly 10, 000m² it is a leading enterprise, a big taxpayer, and an enterprise with AAA credit standing in Ruian.It integrates profess-ional design, production and marketing of pneumatic two-position cut-off valve, pneumatic adjusting valve, slide valve and self-operated pressure-regulating valve, etc