High Quality Durable Rebar Pipe Thread Rolling Machinery Z28-40 Directly Sale From Chinese Manufacturer Factory

1.chinese thread rolling machine manufacturer can make the thead form of good quality.And it It has the high precision.
2.It can be used to process scerw and rebar.The rebar processed by the machine has the good overall mechanical.It can make the tensile strength increased by 20%-30%,the fatigue strength increased by 40%-60%,corrosion resistance increased by 50%-200%.Mechanical properties of rebar connector reached and more than international standards.