Shenzhen Goodwork Electronics Co., Ltd. (hereinafter referred to as "GOODWORK") was established in 2004. It is a national high-tech enterprise integrating professional R&D, production and sales of semiconductor discrete devices. Headquartered in Shenzhen, its own brand is "GK." GOODWORK's factory has introduced professional production equipment and testing instruments, and has passed ISO9001, ISO14001, and IATF16949 international quality management system certification. The main products include: diodes, transistors, rectifier bridge stacks, TVS, MOS, ESD, and three-terminal regulators. The products have achieved comprehensive independent research and development, with complete packaging shapes, tailored for customers, and passed the US UL, SGS EU ROHS and REACH environmental protection certification. The products are widely used in automotive electronics, new energy, lighting, industry, security, communications and other fields.