Wenzhou valve giant King Co., Ltd. is a complete set of tooling, production, sales, research into the scale of modern enterprises. Professional production of plastic valve cover, plastic tube caps (within the plug / jacket) of the plastic business, products are low-density or high density polyethylene as raw material, reliable quality. Product specification is complete, the valve cover DN10-DN600, pipe caps 6mm to 1600mm, as long as you need custom cover, our sales engineers can provide you ...