Years of functional working experience have resulted within an optimized gap ratio, making the electric pole molds super easy to open. The Superior anti-leakage style and design guarantees easy, edge-free of charge pipe joints. The molds attribute friction rings produced from 45# Forged steel and significant-high quality steel plates https://holdeneklmo.therainblog.com/32472717/concrete-power-duct-mold-can-be-fun-for-anyone