Dong Ming Zhang

CDT Environmental Technology Investment Holdings Ltd. is a holding company, which engages in developing, producing, selling and installing sewage treatment systems and providing sewage treatment services. The firm operates through the Sewage Treatment Systems and Sewage Treatment Services and Others business lines. The Sewage Treatment Systems sells and installs proprietary rural sewage treatment systems and provides on-going operation and maintenance services to its customers. The Sewage Treatment Services and Others offers on-site treatment services with its mobile and fixed septic tank treatment systems. The company was founded on November 28, 2016, and is headquartered in Shenzhen, China.

IFDC, Inc. provides investment services. The American company was founded by Dong Ming Zhang.

Beijing Chipadvanced Technology, Inc. provides integrated circuit (IC) test services. Its services include IC wafer testing, finished product testing, design verification, testing adapter design processing, and overall test solutions. The company was founded on July 23, 2004 and is headquartered in Beijing, China.