what is 312 welding rod used for_what is 312 welding rod used for

Our factory can also produce according to the customer ' s requirement, the products widely applies in the national stadium construction , bridges building, ship - building, petrochemical industry, machinery manufacturing, oil and water transportation project, and all kind of engineering. And civilian use is very extensive. Our products have been widely accept by the market , even , many countries used the products to get the large bidding project.
We continuously improve product quality for international economy synchronous development.
We will do the best quality products , excellent service to cooperate with friends of all circles both at home and abroad.

We are professional factory of welding electrodes ( welding rods ), welding wire, welding blend powder and welding material, with powerful strengthen and advanced technology and the rights of self - supporting export . We introduced the international advanced level of electrodes production line and complete test equipment, our annual output is 50,000tons. The main products are mild steel ele - ctrodes, carbon dioxide welding wire , and many types of welding blend powder. With the arc stability , small spark , slag well -- distrib - uted cover, weld line moulding well, also have good metal strength , plastic nature , toughness, stomatal resistance ect specific character . Qur company registered trademark of COPPER BRIDGE , mainly sold to South America, Southeast Asi , England, Korea, America , Africa. All of products enjoy high prestige in the domestic and international market .