| 出生地 |
Zhejiang China (Mainland) |
| 牌子的名字 |
SJ |
| 模式的数量 |
YAB |
| 材料 |
不锈钢的 |
sanitary Circular type manhole cover(stainless steel manhole,man way) 1,Type:Circular,square,elliptic 2,With pressure or without pressure 3,Material quality:AISI304,AISI316L Fineness:Inner surface mechanical polish Ra<0.4-0.8um Our surface gloss polished or dull polished Ra<0.8um manhole covers,round manhole cover,sanitary manhole cover