本产品以gb4004-83,jb/t7600.3-94、jb/t8997.2-1999标准进行生产，全机械精加工成形，精度高，并经动平衡测试，高速运转平稳，供束丝，大，中，小拉丝机使用。

　　it is manufactured according to the gb4004-83,jb/t7600.3-94、jb/t8997.2-1999 it is completelymade and shaped mechanically,and pass the dynamical balance testing,it can keep balanceunder high speed rotation ,so fit for using in heavy,middle and fine drawing maching.