Yun Ling

Suzhou Kete Environmental Protection Co., Ltd. engages in the design, development, production and sale of water quality monitoring instrument and sewage treatment equipment. It offers environmental protection, analytical instrument, sewage treatment, waste gas treatment, solid waste treatment, green facilities, chemical, energy machinery and equipment and provides the related machines technical services. The company was founded by San Jian Ma on May 12, 2003 and is headquartered in Suzhou, China.

Beijing Xinghua Consulting Management Co. Ltd. provides auditing and accounting services. The private company is based in Beijing, China.

Cinderson Tech (Suzhou) Co., Ltd. engages in the research and development, production, and sale of micro-motors. Its products include direct current brushless motors, alternating current motors, and direct current brush motors. The company was founded on November 18, 2004 and is headquartered in Suzhou, China.

Shanghai Re·fine Environment Sci-tech Ltd. engages in the detection, restoration, and conservation of drainage pipeline systems. It offers pipeline space and position detection, pipeline structural inspection, sewage collection system investigation, pipeline repair, and pipeline maintenance services. It is involved in the research and development, production, and sale of special municipal vehicles; and smart drainage management systems. The company was founded on December 17, 2012 and is headquartered in Shanghai, China.