THE SIGMA GROUP

The Sigma Group focuses on secondary aluminum smelting and metal scrap trading. Sigma is capable of producing hundreds of types of alloys for the casting and die-casting industries, for delivery in ingot or liquid metal form. It owns three LME-registered brands of aluminum alloy ingots: "SBI" for Kaohsiung, "SIGMA" for Shanghai, and "ZSM" for Zhangzhou. It has adopted ISO9001, ISO14001, OHSAS18001, and IATF16949 standards as the guidelines for its entire operation, and is also awarded the honorary title of "Model Enterprise for the Circular Economy" by China's National Development and Reform Commission.