Ke Ke Chen

Beijing Yadu Science & Technology Co., Ltd. manufactures and develops humidity control, air purification control and water purification products. It offers ultrasonic and evaporation humidifiers; dehumidifiers; HEPA and electrostatic air purifiers; and household water purification systems, commercial and industry products, and commercial/industry air quality management solutions. The company also provides skincare and medical products. The company was founded by Lumin He in January 1987 and is headquartered in Beijing, China.

Tus Science & Technology Service Co., Ltd. is a science research company in China. The company was founded in 1993 and is headquartered in Zhejiang, China.

Tus Science & Technology Service (Henan) Co., Ltd. provides real estate property development services. The private company is based in Zhengzhou, China. The Chinese company was founded in 2020. The CEO is Wei Tan.

Suzhou Ziguang Innovative Education Development Co., Ltd. engages in the research and development of new technology. Its business activities also include the hotel and property management; industrial and educational investment; and import and export. The company was founded on September 12, 2005 and is headquartered in Suzhou, China.

Jiangsu Qidi Science Park Development Co., Ltd. engages in construction, development and management of the science park, as well as real estate development. The company was founded on March 11, 2011 and is headquartered in Nanjing, China.

Part of Tus-Holdings Co., Ltd., Tus Holdings Hefei Co., Ltd. is an investment holding company. The company is based in Hefei, China. The Chinese company was founded in 2020. The CEO is Xiao Wei Ma.

Anhui Tianbing Electronic Technology Co., Ltd. is a Chinese company that manufactures and sells electronic components. The private company is based in Wuhu, China. The company was founded in 2012. The CEO is Yu Cai.

Tus-Holdings Co., Ltd. engages in the business of science parks, science cities, science & technology industry, and science & technology finance. It also engages in the development, construction, operation and management of TusPark. Its business activities include development of technology properties, asset management, business incubation, education and media, and hotel management services. The company was founded by Meng Mei and Zhi Qiang Li in August 1994 and is headquartered in Beijing, China.

Suzhou Yadu Cloud Technology Co., Ltd. engages in the research, development and sales of car purifiers. Its business activities include cloud technology development; and research, development & sales of purification equipment, air coolers, heaters, water purification equipment, air conditioning equipment, lighting equipment and accessories. The company was founded on January 20, 2016 and is headquartered in Suzhou, China.