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论文简介： Long-term services in: paper industry first axis thermal spray dryer, thermal power plant boiler, "four" anti-corrosion, wear-resistant construction of thermal spray coating; zinc spraying the surface of steel structure, aluminum and its alloys for long-lasting protective coating large-scale projects Construction; At the same time for the metallurgical, petroleum, machinery, mining, steam turbine, turbine blades, plunger, rotor and generator rotor journal, coal mill system, lock, wind power generator base steel offshore platforms, communications tower power stroke, textile, brewing, cement and other sectors of the surface of parts and technical services, machinery parts and components not only engaged in repair the old Lee spent, but also to surface hardening, protection work, is engaged in the surface engineering technology, one of key enterprises.