How Chinese customs handle double-ridged WG shipments
When importing double-ridged waveguide (WG) components into China, customs procedures prioritize compliance with technical specifications and regulatory standards. For example, shipments must align with China’s GB/T 11450.1-2022 guidelines, which define waveguide dimensions, frequency ranges (typically 18–40 GHz), and material requirements like copper alloy with silver plating. In 2023, a Shenzhen-based telecom company faced a 14-day …
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