SIEG GUSSWORKS ï¼? based on our ample and abundant experience at the manufacturing, has been built to improve our client-oriented service and try to supply the seamlessly service and packaging solution for our local and global customer as follows: 1) Sales 2) R&D 3) Quality Assurance 4) Logistic We mainly focus on our manufacture sitesâ?? production processes: investment casting process, high pressure die casting, meanwhile, we aim to establish a network of manufacturing partners that enables us to offer a seamless, cost effective and flexible supply chain and serve a diverse base across a wide variety of industry sectors. Our associated plants have been certified by ISO9000 or TS16949. Human and environment protection are always our target and effort. One of our plants achieved the certificate at OHSAS 18001. We continuously improve ourselves and grow up with our partners. Our principle is to make all of us competitive;