Wei Zhong

Siemens Energy & Automation, Inc., an operating company of Siemens AG, is a manufacturer and marketer of a range of electrical and electronic products, systems and services to the industrial and construction markets. Its technologies range from circuit protections and energy management systems to process control, industrial software and integrated automation solutions. Siemens Energy & Automation was established on September 1877. Its headquarters are located in Alpharetta, GA.

Maxclean Holdings Ltd. operates as a holding company with interests in the manufacturing and production of clean-room products. The company's products include wipes, PE bags, sticky mats, face masks and other clean-room consumables, including swabs and caps. It develops manufactures and sells consumable contamination control supplies for use in clean-rooms under its trade name Maxclean. The company was founded in 1986 and is headquartered in Wuxi, China.