Chen Cheng Pan

Chung Hsin Co., Ltd. is a Taiwanese company that manufactures and supplies bathroom accessories.

Chung Yueh Development Co. Ltd. is a Taiwanese company that manufactures chemical raw materials.

Part of Topco Technologies Corp., Topco (Guangzhou) Trading Co. Ltd. is a Chinese company that distributes silicone products. The private company is based in Guangzhou, China.

Part of Shin-Etsu Chemical Co., Ltd., Shin-Etsu Silicone Taiwan Co., Ltd. is a Taiwanese company that manufactures and supplies polyvinyl chloride, silicone and cellulose derivatives. The private company is based in Taipei, Taiwan. The company was founded in 1975. The CEO is Oguan Hideaki.

Top Energy Saving System Corp. is engaged in the manufacture and sale of light emitting diode (LED) and solar system lighting application products. It offers LED bulbs; PAR lamps; MR16 spotlight; tube series; interior LED lighting such as track lights, recessed lights, and factory lights; outdoor LED lighting such as spotlights, street lights, lamp type modules, and energy system integration application. The company was founded on September 29, 2007 and is headquartered in New Taipei, Taiwan.