Wenguang Sun

Precision Components Ltd. manufactures helical screw rotors and parts. Its products are used for a variety of complex industrial applications including air conditioning and refrigeration, vacuum pumps, blowers, expanders, screw-compressors, hydraulic pumps, gas processing, and superchargers. The company was founded on June 25, 2007 and is headquartered in Rochdale, the United Kingdom.

PTG Heavy Industries Ltd. manufactures machine tools specializing in boring machines and lathes. The firm engages in the design, manufacture and re-engineering of machine tools. The company was founded on May 16, 2008 and is headquartered in Elland, the United Kingdom.

Chongqing General Industry (Group) Co. Ltd. manufactures and distributes industrial fans and blowers, refrigeration and air-conditioning systems, and turbines. The company is based in Chongqing, China and ultimately controlled by the City of Chongqing. Chongqing General Industry (Group) Co. was acquired by Chongqing Machinery & Electric Co., Ltd. on November 03, 2011 for $3.51 million.

Chongqing Machinery & Electric Holding Group Finance Co. Ltd. provides financial consulting services. The private company is based in Chongqing, China.

Chongqing Machine Tool (Group) Co., Ltd. provides financial investment services and is ultimately controlled by the City of Chongqing. The company is based in Huaxi, China.

Chongqing Power Transformer Co., Ltd. engages in the manufacture and maintenance of power transformers, The company was founded on March 5, 1996 and is headquartered in Chongqing, China.

Precision Technologies Group (PTG) Ltd. specializes in providing high-precision and high-quality machine tools. The private company is based in Rochdale, UK, and has subsidiaries in the United Kingdom. The British company aims to ensure that their customers get the most out of their investment in their machines by offering Planned Preventive Maintenance services. The company was founded in 2011, and the CEO is Antony James Bannan.