Founded in 1984, Haihua is a wholly-owned subsidiary of Guangzhou Hager Communication Group Co., Ltd., specializing in R&D and production of Beidou satellite navigation, marine electronics, digital trunking, ship navigation, shortwave communication, aviation power and other products. , sales and maintenance services.
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Ningbo Dingming Machinery Manufacturing Co.,Ltd , https://www.dingmingmachine.com