Qingdao Highs Marine valve company is profession manufacturer all kinds of marine valves, air pipe heads and piping accessories. Our products have passing by JIS standard, can be extensively used in marine. The product export, Korea, Singapore, Greece, Middle East, Europe , The valve climate???s by 10-300mm and pressure of 5K, 10K, 16K,The species include various types-globe valve, check valve, suing check valve, gate valve, hose valve and their accessories. The body material is cast iron, ...