Zhejiang Zhengqiu Valve Co.,Ltd, established in 1992 located in Wenzhou with convenient transportation access, is a professional manufacturer engaged in the research, development, production, sale and service of ball valves,gate valves,check valves,strainer,globe valves and other industrial valves Etc.The valves' nominal diamater is from DN8-DN1000(NPS1/4''-NPS40''), nominal pressure is from PN1.0-PN42MPA(150LB-2500LB),the material of main body include: ...   |