Lianjie Welding Group is a private  high-tech enterprise focusing on “stranded welding wire”, characterized by integration of complementary technology and equipment.  

It integrating multiple resources from senior experts, scholars and research institutes in welding industry， owns more than ten core technology invention patents such as multi-strand stranded wire, stranded wire structure, forged stranded wire, stranded wire hammer forging machine, forged stranded wire production equipment and its production technology, and is constantly upgrading and expanding the patented technology.

The coverage of the system. The company has developed four kinds of solid, flux-cored or solid flux-cored multi-stranded welding wires, such as carbon steel, alloy steel, stainless steel and aluminum alloy, which can be used for gas shielded welding, submerged arc welding and TIG wire filler welding. With the characteristics of "green", "high quality" and "high efficiency", it is widely used in military weapons, aerospace, nuclear power, offshore and ship building, engineering construction, boiler and pressure vessel, and mechanical heavy industry.