Yi Tsen Lin

T.N.C. Industrial Co., Ltd. engages in the manufacture and sale of coating chemicals for semiconductor, display and diode indutries. It is doing business through two types of main products series-Coating Raw Materials and Electronic Chemical. The company's products include RS- & SS series of nitrocellulose, malic resin, nitrocellulose solution, plasticized nitrocellulose, nitric acid, hydrochloric acid, acetic acid, sulfuric acid, special mixed acid series. T.N.C. Industrial was founded by Yi Ping Wu on June 30, 1954 and is headquartered in Taoyuan, Taiwan.

Kuang Ming Industrial Co. Ltd. is a Taiwanese chemical manufacturing company. The private company is based in Taichung City, Taiwan. The company was founded in 1974. The CEO is Tung Jung Chiu.

Part of Advanced Echem Materials Co., Ltd., Opals Chemical Technology Ltd. is a Taiwanese company that engages in the production of electronic grade thinner and stripper. The company is based in Taipei, Taiwan.