Finishing rebar spot, Ding Ding cold-rolled (certified), finishing rebar 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. Steel grades of steel for short, is the name of each specific product taken finishing steel rebar, steel is that people understand a common language. Cold-rolled ribbed steel grades by the CRB and constitute the minimum tensile strength of steel. C, R, B, respectively, for cold-rolled (Cold-rolled), ribbed (Ribbed), steel (Bars) the first three words of the English alphabet. Cold-rolled ribbed steel bars into CRB550, CRB650, CRB800, CRB970 and CRB1170 five grades. CRB550 ordinary reinforced concrete with steel rebar finishing wholesale, other grades for prestressed concrete reinforcement. Cold-rolled steel cold-rolled ribbed steel costal is a new and efficient finishing construction steel rebar spot, it has high strength, good plasticity finishing rebar suppliers, strong bond characteristics. Cold-rolled ribbed steel reinforcement substitution level I can save more than 35% of steel; with LL650 and LL800 cold-rolled ribbed steel cold Roberts replaced with small prestressed member, you can improve the ductility and impact resistance member.