Group 1 - The core point of the article is that ShuoBeide (300322.SZ) has begun bulk shipments of its 4D millimeter-wave radar waveguide antennas to leading domestic customers [1] Group 2 - The company is actively engaging with the domestic market by supplying advanced radar technology [1] - This development indicates a potential growth opportunity for the company within the radar technology sector [1] - The successful shipment to top clients may enhance the company's reputation and market position [1]