CONCRETE POWER DUCT MOLD CAN BE FUN FOR ANYONE

Throughout installation, the hoister sixteen drives the top die plate 3 to overturn to generally be far from the bottom die plate two so as to open the die, the die is hassle-free and speedy, manual die opening is not really required, manpower and materials means are saved, and the price is lessened. If the die is shut, the rope is in a free condit