Zheng Chen Chen

Qingdao Fengguang Precision Machinery Co., Ltd. engages in the manufacturing of precision machines and die-casting equipment. It provides electrical discharge machines, grinding machines, band saw machines, lathe milling machines, induction hardening machines, carburizing furnaces, nitrocarburizing furnaces, and testing equipment. The company was founded on July 19, 2001 and is headquartered in Qingdao, China.

Qingdao Copton Environment Technology Co., Ltd. engages in the research & development, sales and after-sales service of chemical and cleaning products; and water treatment, environmental protection and tail gas treatment liquid filling equipment. The firm also engages in the design, research & development, inspection & testing, technical achievements transfer, technical services, sales and after-sales service of lubricating oil, antifreeze, exhaust gas treatment liquid and automobile maintenance products. The company was founded on September 19, 2018 and is headquartered in Qingdao, China.

Beijing Anlan Environment Protection Co., Ltd. engages in the research, development and services of selective catalytic reduction automotive exhaust gas treatment technology. Its products include armored and IBC filling machine. The company was founded on June 8, 2015 and is headquartered in Beijing, China.

WeiHai Creditfan Ventilator Co., Ltd. engages in the research, development, design, manufacture, and sale of ventilation and air handling system equipment. It offers ventilators, ventilation and cooling systems, rail transit ventilation and cooling equipment, energy ventilation cooling equipment, offshore engineering and ship fans, cooling towers and air cooler fans, cooling fans, and related accessories. The company was founded on September 19, 2001 and is headquartered in Weihai, China.