Mao Hong Jin

China South Industries Group Co., Ltd. operates as an investment holding company. Its business includes design, manufacture, and sales of automobiles, military weapons, and motorcycles. The company was founded on June 29, 1999 and is headquartered in Beijing, China.

South Industry Assets Management Co., Ltd. provides investment and asset management services. The company is based in Beijing, China and ultimately controlled by the Government of China.

Yunnan Transformer Electric Co., Ltd. is a Chinese company that manufactures transformers. The company is based in Kunming, China. The company was founded in 1936. The CEO is Bin Xiao.

Part of Costar Group Co., Ltd., Henan Costar Group Co. Ltd. operates a Chinese photonics company that manufactures and supplies optical and electromechanical products. The company is based in Nanyang, China. Zhi Chao Li has been the CEO of the company since 2013. Henan Costar Group Co. was acquired by Costar Group Co., Ltd. from China South Industries Group Co., Ltd. on December 19, 2018 for $105.28 million.

Beijing Crystal Photoelectric Science & Technology, Inc. manufactures and sale of quartz crystal materials, semiconductor and sensor wafers. Its products include quartz crystal resonator, frequency slices, quartz crystal thickness slice, piezdelectric quartz crystal, optical quartz crystal, thickness sheets, frequency sheets, optical blank sheets, polishing sheets and other related products. The company was founded on August 26, 2003 and is headquartered in Beijing, China.

Henan Zhongyuan Special Steel Equipment Manufacturing Co., Ltd. engages in the mechanical processing and manufacture of steel products. It offers steel ingots, continuous casting billets, forgings, and special steel materials. Its business activities include general cargo road transportation, and import and export business. The company was founded on July 7, 2003 and is headquartered in Jiyuan, China.