Valve is in the fluid system, used to control the direction of the fluid, pressure, flow of the device, is to make the pipeline and equipment within the medium (liquid, gas, powder) flow or stop and can control its flow device. Valves are used to change the cross section of the pathway and the direction of media flow, with the function of inflow, cut-off, throttling, check, diversion or overflow pressure relief. Valve can be under the action of pressure, temperature or other forms of sensing signals, according to the predetermined requirements of action, or do not rely on sensing signals and simple opening or closing, the valve relies on drive or automatic mechanism to open and close the lifting, sliding, swing or rotary movement, so as to change the size of its flow channel area to achieve its control function.
Q: Import and export valves should be how to declare to Customs?
A: The valve is free to import mechanical and electrical products, imports do not need to provide a license, the importer or its agent can be declared with the contract, invoice, box list, bill of lading to Customs, the country of origin from the trade agreement should also provide a certificate of origin. In accordance with the requirements of the "Customs Import and Export Commodity Specification Declaration Catalog and Interpretation (2022)", the importer or his agent to fill in the standardized trade name, purpose, brand (Chinese or foreign language), model.
Q: What are the classification principles of valves in the customs tariff code?
A: Customs for pipes, boilers, tanks, barrels or similar products faucets, plugs, valves and similar devices are classified in Item 84.81, but non-hardened vulcanized rubber (Chapter 40), ceramic (Chapter 69), glass (Chapter 70), except for similar devices made of these materials should be classified in accordance with the material of the corresponding items.
