ChenFull Precision Co., Ltd. manufactures and sells structure parts and engine cases for international civil aviation industry, and critical parts and components for optoelectronic and semiconductor equipment industry in Taiwan and internationally. The company provides parts and components for optoelectronic and semiconductor equipment industry, which include vacuum parts and components, integrated one process aluminum alloy vacuum chambers, stainless vacuum chambers, aluminum alloy welding high vacuum chambers, various customized vacuum coating chambers, and special process vacuum chambers. It also offers key parts and aerospace components for developing friction stirring welding; structure parts, which are machined by multiple 3-axis and 5-axis milling, and turning integrated machine; and aircraft engine cases, such as components of commercial aircraft engines except automatic data capture. The company was founded in 1976 and is based in Taichung, Taiwan. ChenFull Precision Co., Ltd. is a subsidiary of Chen Full International Co., Ltd.