JINNA·HAINA Plasma technology Co. Ltd. Is a hi-tech company with wearing resistance processing of metal surface as its core technology. Company has the strong technique backing of material engineering research institute of Shandong University of Science and Technology. In 2003, company was cognized as Hi-Tech Company by Shandong province Science and Technology Office.

　　Company brought forward for the first time this new technology of negative pressure plasma beam cladding alloy layer and melting spraying forming technology, and got the patent of country for this technology in 2005. This technology is the up-to-date method of improve the wearing, corrosion, striking resistance of metal surface. Company also developed successfully high stability and power plasma cladding machine. Its composite index is higher than laser cladding technology. This technology and machine was passed the identification organized by Shandong province Science and Technology Office. This identification showed that the composite performance of this cladding technology reached international top level.