Specifications:

[Load-bearing 30 tons] 25*25 * 4CM trapezoidal carbon steel (about 7.5)

[Bearing 50 tons] 25*25 * 4CM trapezoidal cross carbon steel (about 8.5)

[Load-bearing 30 tons] 25*28 * 4.5CM trapezoidal carbon steel (about 8.5)

[Load-bearing 60 tons] 25*28 * 4.5CM trapezoidal cross carbon steel (about 10.5 kilograms)

[Load-bearing 30 tons] 25*30 * 5CM trapezoidal carbon steel (about 9.5)

[Load-bearing 60 tons] 25*30 * 5CM trapezoidal cross carbon steel (about 11kg)

[Load-bearing 100 tons] 25*30 * 5CM trapezoidal cross thickened carbon steel (about kg)

[Bearing 150 tons] 25*30 * 5CM trapezoidal round hole plastic carbon steel (about kg)

[Bearing 300 tons] 25*30 * 5CM trapezoidal solid plastic carbon steel (about kg)

[Bearing 50 tons] 25*35 * 5CM arc carbon steel (about 11.5)

[Load-bearing 120 tons] 25*35 * 5CM arc cross carbon steel (about 14kg)

[Load-bearing 40 tons] 25*30 * 7CM trapezoidal carbon steel (about 13kg)

[Bearing 100 tons] 25*30 * 7CM trapezoidal cross carbon steel (about kg)

Carbon steel round head 1 pair (2)

[Load-bearing 30 tons] 25*25 * 4CM trapezoidal cast iron (about 9.3)

[Load-bearing 30 tons] 25*28 * 4.5CM trapezoidal cast iron (about 10kg)

[Bearing 50 tons] 25*28 * 4.5CM trapezoidal cast iron (about 12kg)

[Load-bearing 30 tons] 25*30 * 5CM trapezoidal cast iron (about 11kg)

[Bearing 60 tons] 25*30 * 5CM trapezoidal cast iron (about 13kg)

[Load-bearing 80 tons] 25*30 * 5CM arc cast iron (about 14kg)

[Bearing 100 tons] 25*30 * 5CM trapezoidal cross cast iron (about 16kg)

[Bearing 100 tons] 25*35 * 5CM trapezoidal cast iron (about 16kg)

[Bearing 100 tons] 25*35 * 5CM arc cast iron (about 16kg)

[Bearing 150 tons] 25*35 * 5CM trapezoidal cross cast iron (about 18kg)

[Bearing 150 tons] 25*35 * 5CM arc cross cast iron (about 18kg)

[Bearing 150 tons] 50*35 * 5CM arc cast iron (about 19kg)

[Bearing 60 tons] 25*30 * 7CM trapezoidal cast iron (about 16kg)

[Bearing 200 tons] 25*40 * 7CM arc cross cast iron (about 26kg)

[Bearing 300 tons] 50*30 * 5CM solid cast iron (about 30kg)

[Bearing 300 tons] 50*35 * 7CM solid cast iron (about kg)

Cast iron round head 1 pair (2)

Solid cast iron round head 1 pair (2)

[Bearing 50 tons] 100*35 * 4CM rubber and plastic ladder 4

[Load-bearing 100 tons] 100*35 * 5CM rubber and plastic Ladder 5

[Bearing 50 tons] 50*35 * 4CM rubber and plastic four

[Load-bearing 100 tons] 50*35 * 5CM rubber and plastic Ben 5

[Bearing 200 tons] 50*38 * 5CM rubber and plastic single arrow

[Bearing 200 tons] 50*35 * 5CM rubber and plastic Double Arrow

[Bearing 200 tons] 50*35 * 5CM rubber and plastic mouth words

[Bearing 200 tons] 50*35 * 7CM rubber and plastic word

[Load-bearing 50 tons] 100*30 * 5CM a trunking twill rubber and plastic

[Bearing 50 tons] 100*30 * 5CM two-slot twill rubber and plastic

[Bearing 200 tons] 50*35 * 7CM a trunking mining area rubber and plastic

[Bearing 200 tons] 50*35 * 7CM two trunking mining area rubber and plastic

[Load-bearing 40 tons] 25*30 * 5CM a trunking carbon steel

[Load-bearing 80 tons] 25*30 * 5CM one trunking cross carbon steel

[Load-bearing 40 tons] 25*30 * 7CM a trunking carbon steel

Speed bump installation expansion screws/10 PCs