Hui Wen

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.

Yadu Technology Group Co., Ltd. engages in the research, development, and sale of environmental friendly related products. Its products also include air coolers, heaters, dehumidifiers, water purification equipment, ventilation equipment, air conditioning equipment, and lighting equipment. It also provides development, sale, and installation services for charging piles, as well as rental and charging services for new energy vehicles. The company was founded on November 4, 2011 and is headquartered in Suzhou, 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.