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Torpedo-18 uses three solar panels for power supply, internal lithium battery for power supply and
The light-emitting parts are powered by solar energy, and AIS network position meter components
A new product is developed by using the platform of AIS system for automatic identification and
On April 15, 2019, the 125th China Import and Export Commodities Fair (Canton Fair) opened
On October 15, the 120th China Import and Export Commodities Fair (Canton Fair) opened in P...
2019-02-18
2016-12-15