China · Heading· 11 subheadings· 0 codes

8540Thermionic, cold cathode or photo-cathode valves and tubes (for example, vacuum or vapour or gas filled valves and tubes, mercury arc rectifying valves and tubes, cathode-ray tubes, television camera tubes)

Subheadings (6-digit WCO)

China HS 8540 · Thermionic, cold cathode or photo-cathode valves and tubes ( · Treayo · 全球关税