Caster Caster is the so-called 360-degree rotating caster, its structure allows 360 degree horizontal rotation. Caster is referred to, including Caster and fixed casters. No fixed castors Wheels rotating structure refers bracket in caster wheels can be moving or static load in load level of 360 degree rotation. 360 degree rotation casters _ _ Wheels positive Tong machinery supplied by Ning County is Tong Machinery Plastic Co., Ltd. Ning County is Tong Machinery Plastic Co., Ltd. (www.dzztjx.com) strong, credible, in Dezhou's plastic industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead positive Tong machinery and you hand in hand into the brilliant, for a better future!