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1.material:ductile iron.
2.ductile iron or nodular cast iron well cover
3.size:DN80-DN1500
4.certificate: ISO9001:2008, ISO14001:2004, ISO9001:2000 and many other China certificates.
5.High quality and reasonable price. We've built relationship with some ASEAN countries and keep in touch with them now.
6.cement mortar ling
Workmanship Process
Some certificate we get
Standard | International ISO | European BSEN | Chinese GB |
Ductile iron pipes,fittings& Accessories | ISO2531 | BSEN545 | GB/T13295 |
Tylon rubber gasket | ISO4633 | BSEN681-1 | GB/T13295 |
Gasket material | ISO4633 | BSEN681-1 | GB/T9876-88 |
Zinc coating | ISO8179-1 | BSEN545 | GB/T17456 |
Cement mortar lining | ISO4179 | GB/T17457 | |
Quality management system | ISO9001 |
Production Process
Annealing-metallic machine-polished-hydrostatic testing-cement mortar lining
Workshop-coating-quality-package-play crib-logo
Ductile iron or nodular cast iron well cover
