SYU interantional co., ltd is the window company for shenyang university enterprise service center, which is the high-tech Incubator for the research institutes of shenyang university we manufacturer of auto girth welder and verticle electorgas welder for petrolum storage tank construction. Intelligent fire alert and evacuation system for buildings. and other high-tech products, owned by shenyang university. Our products have exported to India, malysia, singapore, Jordan, Australia, Canada, and sourth America.