Dongguan Qihang Electronic Technology Co., Ltd. is a professional company that engages in RF, microwave, electronic test equipment research and development, sales, maintenance, metrology, technical consulting and providing Bluetooth RF test system and test solution. We specializing in the production of spectrum analyzers, network analyzers, signal generators, etc. Since its establishment in 2009, based on the continuous study and research of professional knowledge and technology, it follows the market demand changes tightly and pursues high-tech in the field of instrumentation. Through ten years of unremitting efforts, it has become a well-known enterprise with the development and production of self-owned brand instruments and the main body of the sales of internationally renowned brand instrumentsogy, it follows the market demand changes tightly and pursues high-tech in the field of instrumentation. Through ten years of unremitting efforts, it has become a well-known enterprise with the development and production of self-owned brand instruments and the main body of the sales of internationally renowned brand instruments.

Shijiazhuang SUIN Instruments Co., Ltd is a high-tech company and concentrates on R&D, production, test, sales and service of test & measurement instruments, electrical products, application software, etc. It already won below titles depending on the super technical advantage: High-tech Enterprises in Hebei Province, Hebei Industrial Design Center, Hebei Academician Workstation, Shijiazhuang Industrial Design Center, Engineering Research Center of Shijiazhuang electrical test instrument, Shijiazhuang Enterprise Technical Center, China's Key Enterprises in electronics instruments industry.

Beijing W&F Technology Co., Ltd. is registered in Beijing, the capital of China, was established in 2006 and has been in continuous operation for 17 years.

Jinan Should Shine Didactic Equipment Co., Ltd. Has provided an effective response to the