Zhi Ming Cai

Keruyun Technology (Beijing) Holdings Co., Ltd. engages in the IT solution and develops software application. It provides O2O and saaS technology to Advertising Platforms, Big Data, Enterprise Software, Financial Services, Food and Beverage, Hardware, Manufacturing, Mobile, Mobile Payments, Point of Sale, Restaurants, Retail Technology, SaaS, Software and other industries. The company was founded by Peng Lei on August 15, 2012 and is headquartered in Beijing, China.

Beijing Hang Feng Ke Wei Equipment Technology Co., Ltd. engages in the research and development, manufacture, and sale of aviation support equipment. Its products include engine metal dust sensors, liquid level sensors, and magnetic plug sensors machine, airborne solenoid valve, airborne filter and airborne oil filter. The company was founded by Ke Deng on July 19, 2007 and is headquartered in Beijing, China.

Tianjin Winspirit Energy Technology Co., Ltd. engages in research and development of energy management services. It provides comprehensive and professional energy-saving solutions for enterprises and industries such as steel, metallurgy, cement, public lighting and traditional manufacturing, and adopts contract energy management methods. The firm signs energy-saving service contracts and provides energy management operation and management services. The company was founded on July 17, 2009 and is headquartered in Tianjin, China.

Zhengzhou Howell Electronic Technology Co., Ltd. engages in the research, development, production, and sale of intelligent agricultural equipment and information-based instruments. Its products include direction machine assemblies, blocking alarms, combination instruments, sensors, intelligent controllers, terminal displays, electric control handles, electrical appliance boxes, monitors, tractor seats, and electronic accelerators. The company was founded on July 4, 2006 and is headquartered in Zhengzhou, China.

Anhui Hengrui New Energy Co., Ltd. engages in the investment and operation of photovoltaic power stations. Its products include photovoltaic products, micro-grid devices, and electric vehicle charging piles. The company was founded on November 11, 2008 and is headquartered in Luan, China.

Tianjin Greentsing Pipeline Technology Co., Ltd. engages in the production of oil and gas pipeline cleaning, testing and maintenance equipment. It produces pipeline pigs, detectors, pressurized plugging equipment, automatic oil tank cleaning equipment, and spare parts. The company also provides technical services and engineering such as pipeline installation, line change, pigging, pressure test, drying; inspection inside and outside the pipeline; open holes, plugging, maintenance and repairs without stopping under pressure; and oil tank cleaning. Tianjin Greentsing Pipeline Technology was founded in 2002 and is headquartered in Tianjin, China.