About DINGWEI1\Founded in 1997 with an area of 10,000 square meter.2\26+ years of the global contruction material factory, whom focus on die casters industry.3\Support OEM/ODM customized products and keep them secret confidential.4\We have obtained SGS certificates,factory passes the third-party authoritative certification every year.5\We have advanced production equipment,products with strict quality control.