- EN 598 Ductile Iron Pipe (DIP 03)
- 2016-10-26 17:11
- According to ISO4179, select cement and sand, the cement and sand will be mixed according to the proportion, and th
- Ductile Iron Valve (DIV01)
- 2016-10-24 01:13
- Resilient soft seated gate valve DIN 3352--F4/5 sealing test pressure: PN10 IS 1.1 Mpa; PN1.6 IS 1.76Mpastregth test pre