12mm rebar wire rod mill, cold rolling Ding Ding, 12mm 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. Especially cold-rolled ribbed steel bars welded steel mesh 12mm rod for highway pavement, airport runways, large diameter sewer, drainage tunnels. Cold-rolled ribbed steel bars in overseas mostly in the form of mesh. Our industry standard "welded steel technical specification for concrete structures" JGJ / T114─97 been implemented. With the improvement of the level of industrialization of construction, welded steel applications will be gradually increased. Welded into bonding and welding two forms. Flash butt welding steel (using the welder to make contact with two 12mm steel rod rebar manufacturer of low voltage high current through 12mm rebar wire rod mill, to be reinforced to be heated to a certain temperature to soften after axial Upset pressure, the formation of flash butt welded joints reinforced craft commonly used continuous flash welding, preheat flash welding and flash - preheat - flash welding on steel grade Ⅳ sometimes also energized after welding heat treatment.