Da Jun Chen

Jiangsu Polygee Environmental Technology Co., Ltd. engages in the research, development, production, and sale of electrostatic commercial oil fume purification equipment and electrostatic industrial oil fume purification equipment. Its products include oil fume purifiers and Air disinfection machines. The company was founded by Zhen Qing Qian and Ya Dong Feng on February 16, 2004 and is headquartered in Zhangjiagang, China.

Suzhou Tianmai Thermal Technology Co., Ltd. engages in the research, development, production and sale of thermal conductivity and heat dissipation materials and components. Its products include heat pipes, vapor chambers, thermal interface materials, and graphite films. The company was founded by Yi Xie and Song Qing Chen on July 25, 2007 and is headquartered in Suzhou, China.

Suzhou Sinnotech Technology Co., Ltd. engages in the research, development, production, and sale of precision injection molds and related parts. Its products include gears and gear boxes, surgical and medical implant device components, and precision parts for electronic products. The company was founded on October 27, 2010 and is headquartered in Suzhou, China.

Shenzhen Hanglory Digital Printing Group Co., Ltd. specializes in the development of digital inkjet printing technology and the manufacture of high-end intelligent printing equipment. It mainly produces industrial-grade digital printing equipment, which are applied in advertising, home improvement, clothing, textile, packaging, books, labels, printed circuit boards, as well as computer, communication, and consumer (3C) electronics. It also provides end-to-end printing solutions for industrial printing enterprise customers in different industries. The company was founded on May 14, 2012 and is headquartered in Shenzhen, China.