Rod rebar | Dingding cold-rolled (certified) | Jiangsu rebar rod 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 bars strengthen project quality assurance testing. In order to ensure that no substandard steel rod rebar works up manufacturers, should pay attention to the detection of steel: One shall not use cold-drawing process to produce shoddy products notch; the second is not recognized by the production license and permit inspection of enterprises use The products are not allowed to use; the third is to strengthen the manufacturers to establish a quality assurance system, not the factory rejects. Bent steel. Bending rebar diameter D rod bent at the middle of the factory direct, no less than five times the bar diameter. Stirrups. The end of the stirrups should be hooked rebar rod, hook form should meet the design requirements. Stirrup adjustment rod rebar plant, namely to increase the length and bending hooks adjust the difference between the value of two or and, according to the hoop size or the amount of outsourcing package size. Steel cutting length should be considered based on component size, concrete cover thickness, steel bending adjustment value and increase the length of the hook and so forth.