WHAT DOES BOX TYPE SLOPE PROTECTION MOLD MEAN?

 Yrs of sensible knowledge have resulted in an optimized hole ratio, making the electric pole molds very easy to open up. The Sophisticated anti-leakage style makes sure smooth, edge-no cost pipe joints. The molds function friction rings made out of 45# cast steel and large-high quality steel plates from Jigang, with retaining rings that fulfill r