... tool materialCr12 3.Quality requirment1).All of rollers surface should be painted with hard chrome2).The surface of formed sheet ... scratch3).The formed sheet should accord with GB/T 12755-2008 4.Terms of payment:30% deposit is required by T/T ... steel working machine wide range of uses, including factories, villas, car shed, exhibition contruction and so on. C75-175PURLIN MACHINE WITH POST- ...