Yjn Co.,Ltd., together with its subsidiaries, engages in the production, trading, and sale of electronic components and materials in Taiwan. It is also involved in production and sale of various transformers and plastic products for computers, electronics, and household appliances; and design and manufacture of electrical wooden products, computer components, molds, and automotive hardware and plastic parts, as well as sale of self-produced products. In addition, the company produces power and electronic devices, precision punching and cavity molds, mold standard parts, and intelligent parking management equipment. Additionally, it offers technical development, technical consulting, and technical services. The company also exports its products. Yjn Co.,Ltd. was founded in 1991 and is based in Taipei, Taiwan.