Stainless Steel Hygienic Ellipse Manhole Cover Zhejiang WanGuo Fluid Equipment Technology Co., Ltd. Base Info Standard.:ISO, DIN, SMS, 3ATrademark:IFECTransport Package:Wooden Cases or Wooden PalletSpecification:400mm, 450mm, 500mm, 600mmOrigin:Zhejiang, China Description Pre:Stainless Steel Sanitary Elliptical Manhole Cover Next:40cm Sanitary Pressure Round Manhole Covers (Stainless Steel 6hands)