Shu Chuan Hsu

T-SUPPLY International Co. Ltd. manufactures transformers. It products include reactors and voltage stabilizers. The company was founded by Ching-huangChen in 2009 and is headquartered in Nantou, Taiwan.

Sol Young Enterprises Co. Ltd. is a Taiwanese company that manufactures rubber products. The private company is based in Taipei, Taiwan.

Luminous Optical Technology Co., Ltd. engages in the design, development, production, and sale of glass, transformer, and rubber and plastic products. It operates through the following segments: Optoelectronics Business Group, Electromechanical Business Group, and Other. Its products include glass cover and glass base plate for mobile phones, tablet personal computers, laptops, navigation systems, and touch panel components; X-ring, seal and gasket, general rubber and plastic, and silicone cake baking tray; and large-scale transformer and capacitor. The company was founded on September 1, 1982 and is headquartered in Taipei, Taiwan.