It conforms to standard and are free from sand hole,smooth and free from sand holes,blow holes,distortion or any other defects.
Specification:
1/,Material: ductile iron manhole cover and frame.
2/,Manufacturing according to EN 124.
3/,Shape:round,square,rectangular,triangular.
4/,Surface finish:black bituminous painting or exposy painting.
5/,Special size can be produced as drawing.(OEM is acceptable)