1.Cement Industry: Cement powderchoosing transmission pipeline, feed hopper, chute, feed bin and so on. 2.Electricity Industry: Coal power plant coal transmission pipeline, fly ash exhaust system, chemical water circulation system, desulfurizing system and all the corrosive areas in the nuclear electrical power plant. 3.Coal Mine Industry: Coal powder, coal water slurry transmission, the air supply system, air exhaust system and drainage system of the mine. 4.Chemical Industry: High corrosive medium transmission, such as strong acid and strong alkali. Salt chemistry brine, salt slurry, raw salt transmission. 5.Petroleum Exploitation Industry: Raw oil transmission, natural gas collection transmission system, waste water recirculation system and so on. 6.Metal production Industry: Transmission of coke powder, mine powder, pulp, smelting waste and so on. 7.Mining Industry: Pulp transmission pipeline, the air supply system, air exhaust system and drainage system of the mine. 8.Dredging Pro...