Short steel grades of steel cold rolled ribbed bar, is for each specific steel products taken from the name of cold-rolled ribbed steel gauge, is that people understand a common language steel. 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 production of cold rolled ribbed steel, other grades for prestressed concrete reinforcement. Cold-rolled ribbed steel as a construction steel, concrete structure incorporates national norms in these countries, cold-rolled ribbed steel bars have been widely used in construction, highways, airports, municipal, hydroelectric pipeline. In 1994, the annual output of 4.5 million tons EC. In China's neighboring countries, Singapore and Malaysia have long been widely used in construction engineering and public works, the amount in Singapore using only cold-rolled ribbed steel bars in more than 150,000 tons. Production of cold-rolled ribbed steel cold-rolled ribbed steel bars _ _ Jiangsu Ding Ding Ding Ding Industrial Co., Ltd., Henan Province by. Ding Ding Industrial Co., Ltd., Henan Province (www.hnddsy.com) strong, credible, in other industries in Henan accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Dingding Industrial and you hand into the brilliant, for a better future!