A environmental protection with non toxicity raw material, it will not influence to user

B longevity corrosion resistance antirust insulation anti abrasion weather ability excellent ant pressure capability

C competitive price the price is lower than stipulated standard

D low weight it’s convenient to transport install construct easily and reduce working intensity

E nice appearance rich colors and can keep lasted

F anti theft no recycle antitheft naturally

G 1good appearance 2antitheft for non recycle value 3 light weight 4 noise free

Characteristics of our manhole cover

1. Material: cast gray iron, ductile iron.
2. Shape: round, square, rectangle and triangle.
3. Diameter: from 200mm to 1200mm.
4. Weight: from 7kg to 154kg or according to customers' requirements
5. Coating: black bitumen or Coating as per customers' requirements
6. Use: municipal engineering, Traffic, pavement, electronics, telecom, cable, petroleum, chemical industry, or drainage system and industrial.

1. Against theft

2. High load capacity

3. Free design

4. Long life

5. Well sealed

6. Good wear and corrosion resistance

7. High and low temperature resistance

8. Lighter weight and more competitive price