Church Foundation Helical Piers
Cast Iron Manhole Cover Price
Detailed information of manhole cover Process Manhole cover A stringent requirements for chemical composition, carbon and silicon content of the molten iron of the original claim is higher than gray iron, ductile iron to reduce the content of manganese, phosphorus, sulfur, B the temperature of molten iron released higher than gray cast iron, to compensate for the ball, gave birth to loss treatment temperature of molten iron C Spheroidized, which was added to the iron ball
helical screw piles and helical pier
helical screw piles and helical pierdescriptionScrew type[different plastic property, can choose different structure of the screw, more can improve the plasticizing effect] gradient type, mutation type, wave type, barrier type, double screen, FenLiuXing, separation, PaiQiXing, pin type, mixed type, double head, three head type, long type, etc.Scope of applicationWPC PVC.WPC PE,supper high molecular sheet, 1 / 2 high calcium buckle, 50-400 high calcium pipes, 50-300 high