Custom cold rolled straight bars _ Dingding (certified) _ straight bars provided by Ding Ding Industrial Co., Ltd., Henan Province. Ding Ding Industrial Co., Ltd., Henan Province (www.hnddsy.com) is a professional enterprise, "cold-rolled ribbed steel CRB550", the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Liu. Cold-rolled ribbed steel Advantages: Good rolled ribbed Bond properties between steel and concrete. So for members, essentially eliminate the anchorage zone cracking components, wire slippage and damage the phenomenon, and increase the carrying capacity and anti-cracking ability of member ends; reinforced concrete structure, the crack width than light round reinforced, even smaller than hot-rolled rebar. Steel processing plant making straight bars, steel surfaces should be clean and straight bars wholesale, adhesion of oil, must be clean before the dirt, rust using rust can be combined with cold drawing process. Bar Straightening available mechanical or manual straightening. After Bar Straightening prohibited after local bending, bending die, little wavy supply straight bars, its superficial injuries should not be reduced by 5% reinforced section. Reinforced steel cutting should be based on number, diameter, length and number, the length of match, first off a long break after a short feed material, minimize and shorten the steel short head, in order to save steel.