1. Ductile cast&grey cast iron
2. Anticorrosion, good compression bearing
3. Black bitumen coated
We are the professional manufacturer of manhole cover, grating, floor drain, pipe fittings. Our products had been exported to Southern Africa, North Africa, Middle East, Korea, Japan and other countries and areas for many years. We own a batch of talented technicians with professional casting technology, and the perfect inspection equipments. Our company passed ISO9001: 2000 and enjoy good reputation.
