SJ Group (HK) Limited (SJ Group) was established in 1987, Hongkong. SJ Group starts from precision automotive mold building, and step into packaging mold building, medical mold building, liquid silicone rubber mold building, precision part injection. After 30 years of development, now we have 6 subsidiaries, several oversea after sale office. SJ Group is a group company integrating with part research, manufacturing, After Sales Service and technical support. Major business of SJ Group: precision injection molds for automotive, packaging, medical and liquid silicone rubber. Main customers for Automotive: Volkswagen, Audi, BMW, Benz, Porsche, Ferrari, GM. Main customer for medical: Abbott, Fresenius, SHINVA, Tsinghua, CapitalBio. Main customer for packaging: Jokey, TNB, Desch Plantpak, Unilever, Rieke, Rubbermaid.