Wei Bo Feng

Founded in 2000, Zhejiang Dunan Precision Industries Group Co. Ltd. is a precision machine manufacturing Chinese company that is part of DunAn Holdings Group Co., Ltd. The company is based in Zhuji, China.

Jiangsu Dart Wind Machine Co., Ltd. engages in the manufacturing, sales, and installation of fans. Its business scope includes axial, centrifugal fans, air conditioning, and refrigeration equipment; and design, technical consultation, and service of non-standard fan. The company was founded on March 2, 1998 and is headquartered in Nantong, China.

Zhejiang Dunan Thermal Technology Co. Ltd. engages in the manufacture, distribution, research and development of central air conditioning and air purification systems. It also offers various types of heat exchangers, thermal industrial equipment provide system integration services. The company was founded on September 28, 1995 and is headquartered in Zhuji, China.

Joinstar Biomedical Technology Co., Ltd. principally engages in the research, development, production, and sale of in vitro diagnostic products. Its products include diagnostic instruments, reagents, and biological raw materials. The company was founded on December 16, 2010 and is headquartered in Hangzhou, China.

Konan Chemical Manufacturing Co., Ltd. manufactures and supplies industrial chemicals. It engages in the production and distribution of intermediate and phenol chemicals. The firm also offers processing of health foods. Its products include para-cresol, p-toluenesulfonic acid monohydrate, para-ethylphenol, and xylenol. Konan Chemical Manufacturing was founded on June 15, 1952 and is headquartered in Yokkaichi, Japan.

Part of DunAn Holdings Group Co., Ltd., Anhui Dunan Chemical Group Co., Ltd. is a Chinese company that manufactures and distributes industrial machineries. The company is based in Dangtu, China. The company also provides consultation services for explosives and non-hazardous chemicals.