Yong Feng Yuan

Multi-Fineline Electronix, Inc. engages in the business of engineering, designing, and manufacturing flexible circuit boards along with related component assemblies. It operates through the following geographical segments: the United States, China, Singapore, and Other. The company was founded by David D. Hsu in October 1984 and is headquartered in Irvine, CA.

Suzhou Industrial Park Doony Opoelectronic Technology Co. Ltd. is a private company that specializes in manufacturing and distributing LED chips. The company is based in Suzhou, China. The Chinese company also offers technical consulting and other technological services.

Suzhou RF Top Electronic Communications Co. Ltd. manufactures and sells radio frequency components and modules apply specializing in wireless communication components. Its products include dielectric filter, dielectric duplexer, dielectric combiner, dielectric resonator, housing type filter, ceramic antenna, RFID tag, ceramic waveguide filter, LC filter, and Dielectric Chip Antenna. The company was founded in 2005 and is headquartered in Suzhou, China.

Suzhou Chengjia Precision Manufacturing Co., Ltd. engages in the research, development, production, processing and sale of precision metal structure parts. It products include semiconductor equipment, electronic items and related products. The company was founded on May 24, 2011 and is headquartered in Suzhou, China.