Base Info
- Type：Round, Square, Triangle
- Metarial：Ductile,Grey Iron
- Certification：ISO 9001:2000
- Standard：ASME
- Machining Tolerance：+,-0.15mm
- Coating：Zinc oxide
- Surface Roughness：Ra0.05
- Surface Treatment：Spray-Paint
- Casting Form Usage Count：Semi-permanent
- Casting Metal：Cast Iron
- Casting Form Material：Metal
- Casting Method：Special Casting
- Model NO.：Cast iron manhole cover
- Sizes：Could Be All Kinds
- Passed ISO9001：2008
- Trademark：YZGM
- Specification：DN100~DN800
- Origin：Hebei Shijiazhuang, China
- HS Code：73251090
Description