Ying Lan Wang

China Geokon Instruments Co., Ltd. engages in the design, development, production and sale of precision sensors, data collectors and smart sensor terminals. The company also provides software and internet of things services related to precision sensor applications. Its products are mainly used in the fields of engineering safety monitoring and field environment monitoring. The company was founded on March 25, 1998 and is headquartered in Beijing, China.

Beijing Orient Tonghua Technology Co. Ltd. principally engages in domestic sewage and industrial wastewater treatment as well as solid waste treatment. The company was founded by Zhe Chen on October 26, 2000 and is headquartered in Beijing, China.