- Fully Welded Pipeline Ball Valve
- 2016-10-24 02:35
- Fully welded pipeline ball valve for oil&gas pipeline systemBtl was set up in 1983, now have 1000 staffs locates in wenz
- Valves
- 2016-10-23 05:17
- Boteli Valve Group CO. , LTD. is an experienced manufacturer and exporter of valves. Our products have been distributed