Somar GmbH ist the subsidiary of DZTESTER Electronics Co., Ltd., founded in 2003 and headquartered in Suzhou, China. DZTester a high-tech enterprise specializing in the R&D, production, sales, and service of circuit board testing equipment, DZTESTER offers a wide range of products, including ICT testers for open/short and component testing, functional test systems (FCT), customized automated test equipment (ATE), test fixtures, and SMT-related auxiliary equipment.

With over 20 years of development, DZTESTER has grown into a leading player in the electronic testing industry, specially for automotive electronics, new energy, intelligent connectivity, and general equipment. In 2024, DZTester  reached annual sales of over 200 million RMB and employs 240 staff.