Ductile iron manhole covers

Product information:
1. manhole covers are manufactured for construction and public use
2. manhole covers shall be smooth and free from sand holes, blow holes, distortion or any other defects
materials:
1. ductile iron ggg50 and ggg40
2. grey iron gg20
designs:
1. en 124 a15, b125, c250, d400, e600 and f900
2. a60005 for casting design
3. major standards designs available
4. as per customer's drawings or samples
process:
1. molding boards
2. green sand with hand molding
coating:
1. cold applied black bitumen
2. without coating
3. coating as per customer's requirements
4. different accessories are available.