supply ballvalve products--ShuangDa Valve Co.,LTD. Add:Sanqiao Ind.Zone OuBei Town Wenzhou Zhejiang P.R China http://www.ballvalvemanufacturer.com Email: sales@ballvalvemanufacturer.com We will provide you with high-quality Valve,Ball valve and servi

now i tell you another company.as follows: ShuangDa Valve Co.,LTD. specializes in research, development and manufacturing of all kinds of valves, It owns land of 27000㎡, and over 300 hundred employees, SDV has taken the newly valve manufacturing tech

Design Manufacture standards: API6D Face To Face : ASTM/ANSI B16.10 Flange Standards: ANSI B16.5 Pressure-Temp: ASTM/ANSI B16.34 Inspection And Test: API 598 Body Material: A216-WCB/WCC, A351-CF8, A351-CF8M, A351-CF3,A351-CF3M Size:2 -24 ShuangDa Val

Design Manufacture standards: API 602,BS5352,ASME B 16.34 Face To Face : ASME B 16.5,ASME B 16.34 Inspection And Test: API 598 Body Material: A105,304(L),316(L) Size:1/2 -2 ShuangDa Valve Co.,LTD. Add:Sanqiao Ind.Zone OuBei Town Wenzhou Zhejiang P.R

supply ballvalve products--ShuangDa Valve Co.,LTD. Add:Sanqiao Ind.Zone OuBei Town Wenzhou Zhejiang P.R China http://www.ballvalvemanufacturer.com Email: sales@ballvalvemanufacturer.com We will provide you with high-quality Valve,Ball valve and servi