Brand:zhangshui
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Features: 1) Production information
Manhole cover are manufactured for construction and public use. Manhole cover shall be smooth and free sand holes, blow holes, distortion or any other defects
2) Material
A) Ductile iron GGG50
B) Grey iron GG20
3) Designs
A) EN124 Class B125 C250 D400, with different size and grammage, or as per customers' requirement
B) Major standards designs available
C) as per customers' drawing or samples
