2PC Ball valve: 2PC Ball Valve is a basic unit of pipe connecting, widely used in fluid industry.It has a wide range of applications, with diameters ranging from small to several millimeters to several meters, and can be applied from high vacuum to high p
The PO anti-dripping fog greenhouse film adopts Japan's outer coating technology. The special anti-fogging anti-dripping additive is coated on the surface of the treated special polymer resin.