MC/casting nylon features of high mechanical intensity, wear resistance, rust proof, aging resistance, low noise, shock absorption, self lubricating and low cost. It has been widely applied in industrial mechanic drive and machinery assemblies of pertrochemical industry, railway transportation, light industry, textile industry, architecture and construction materials, mining and metallurgy, print equipments, beer industry, gas-fired appliances, food processing and steel industry.It is the ideal material to replace copper, stainless steel, other non-ferrous metal, gears, axletrees, scaleboard, scalecover, guiding plate, pressure piece, sealed piece, drive piece, nylon slip cover and slip block which are applied in construction and machinery industries.Ball valve core offered by our factory is theindispensable materials for natural gas,coal gas and various gas and liquid piped transportation.