Shanghai Haojin Communication Technologies began in 2006 by combining years of experience in RF design with the need of new generation test systems. Haojin is a leader in the industry, providing test solutions, which include: Programmable Attenuator Matrix, programmable phase sifter, programmable switches, and various passive components. Our Company is headquartered in Shanghai, China. We manufacture, distribute and support our product line.

haojintech.com