Wen Kun Chen

Dutech Holdings Ltd. engages in designing and manufacturing of security products. It operates through the High Security and Business Solutions segments. The High Security segment designs and manufactures automated teller machine safes, fire-resistant commercial safes, safes for storage of weapons, and other security products. The Business Solutions segment focuses in business solutions by designing, engineering, manufacturing, and assembling electro-mechanical equipment and modules, precision engineering parts, semi-conductor instruments, and other products. The company was founded in 2006 and is headquartered in Shanghai, China.

Part of Ingersoll Rand, Inc., Shanghai Ingersoll-Rand Compressor Co. Ltd. is a company that manufactures air compressors, air dryers, and light towers. The company is based in Shanghai, China. Shanghai Ingersoll-Rand Compressor Co. was acquired by Trane Technologies Plc from Shanghai Electric Group Co., Ltd. on April 29, 2005.