Xiamen Chenmai Wisdom Technology is a technology-based enterprise that integrates the R&D, production and manufacturing of smart IoT products. Committed to providing cloud to end-to-end smart IoT products and solutions for government departments, industry clients, and the general public. The application of information technology in water conservancy, hydrology, water drainage, and emergency disaster prevention and mitigation warning. Chenmai has registered trademarks and holds multiple product patents, software copyright registration certificates, and software product registration certificates. With a professional R&D team, advanced industry technology, excellent product quality, and comprehensive services, it has become the core manufacturing enterprise of smart hydrological and water conservancy products in China. ?

Shenzhen Huasifei Technology Co., Ltd. Was established in 20 17 and is a professional network communication equipment company that integrates product research and development, sales, and service Products include: 5G routers, 4G 5G C P E, Openwrt wireless routers, wireless bridges, P O E switches, and other network communication products; Our company is located in Shenzhen, Guangdong Province, enjoying convenient transportation and beautiful environment; The supplier covers an area of 5000 square meters and has 250 employees

Shenzhen Qdaten Electronics Co., Ltd is one leading supplier of original brand mobile phones located in Huaqiang Bei of Shenzhen, the largest electronics center of world. Based on the complete and advanced supply chains, Qdaten is able to provide well-know brand original smart phones with competitive prices such as used mobile phones, second hand smart phones, smart mobile phone, 4G mobile phone, 5G cellular, mobile phone spare parts and accessories. Over 15 years of development till now, we have our own professional collection team, repair center, quality inspectors to guarantee each unit mobile phone we sold is the top quality.

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.

Wuhan Hengda Yanyan Technology Co., Ltd. is located in Wuchang District, Wuhan City, Hubei Province, with convenient conversation and superior geographical location. Mainly engaged in wholesale and retail trade business. In line with the business philosophy of "integrity-based, win-win cooperation", we will provide first-class product supply services for the majority of users.

Quanzhou JiMao Electronic Commerce Co. Ltd. Is a research and development, Production, sales service and a Wireless solution ways provider in Quanzhou City of China, As a leading manufacturers of Two way radio, We are offer clients a wide range of wireless communication devices including DMR radio, PMR radio, FRS radio, WCDMA SIM, GSM radio, Mobile radio Repeater and Accessories etc.