The cold rolling pipe machine series products produced by our company are used for cold rolling carbon steel, alloy steel, stainless steel, color metal etc. precision pipe material, the products have wide application in metallurgical, automobile, bearing manufacturing, petrochemical machinery etc industry, the LG series. two roll, ring hole type cold rolling pipe machine, has following features, large in reducing diameter, large in reducing wall thickness, long in traveling distance, can raise the output of product.