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.