what does the 7018 on a welding rod mean_7018 4mm electrode

DingZhou JinLong Metal Production Co. , Ltd. is one of the largest integrated manufacturers of special welding materials in China. Its main products include stainless steel welding materials, heat resistant steel welding materials, low temperature steel welding materials, high strength steel welding materials, hardfacing welding materials, nickel-based cast iron welding materials, nickel and nickel alloy welding materials, copper and copper alloy welding materials, special purpose welding materials, etc. , more than 200 varieties with an annual production capacity of 20,000 tons. Products with good market applicability and competitiveness, widely used in petrochemical, chemical, nuclear power, power, light industry machinery, metallurgy and pressure vessel manufacturing industries. Sales network throughout the country, has become a domestic special welding materials one of the mainstream brands, a good reputation for cooperation, to the industry widely praised.

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.