High-voltageThree key special characteristics of

Under the international trade pattern in 2025,the import of high-voltage equipment with a voltage rating of ≥1000V exhibits clear industry characteristics.According to the latest statistics from the General Administration of Customs,the declaration error rate of such equipment imports is 37% higher than that of ordinary mechanical and electrical products,mainly involvingTechnical standard compliance verification,Special transportation regulationsandSafety certification coordinationThree major areas.

Comprehensive customs clearance operation guide

Standardized declaration procedures can reduce customs clearance delay risks by over 30%:

• Pre-classificationstage
  • Provideequipmenttechnicalparametermanuals(includingkeydatasuchasinsulationclassandratedcurrent)
  • VerifywhethertheproductsfallunderthecontroloftheCatalogofUsedMechanicalandElectricalProductsSubjecttoImportRegulation
• Key points for document preparation
  • ComplianceverificationbetweenEUCEcertification/ChinaCCCcertification
  • PressurevesselequipmentmustprovideoriginalASMEcertification
• On-site inspection response
  • PrepareIPprotectionleveltestreportsinadvance
  • Woodenpackagingmustincludeheattreatmentmarkings(ISPM15standard)

Typical customs clearance obstacle solutions

A German transformer import case showed that due toInconsistent declaration of insulating mediumThe entire shipment was detained at the port.Solutions include:

• EmergencysupplementaryfilingofSF6gasusagecertification
• Coordinatewiththird-partytestingagenciesforon-sitesampling
• Submitequipmentlifecycleenvironmentalcommitmentletter

2025 Policy Change Alert

According to the latest WTO TBT notification:

• ChinawillimplementEnergyefficiencygradingsystemforhigh-voltageswitchgear
• NewadditionstotheEUMachineryDirectiveTechnicalrequirementsforarcprotection
• IntroductionofUSULcertificationSmartgridcompatibilitytestingModule

Professional agency service value map

High-quality customs brokers should possess the following service capabilities:

• Establishequipmenttechnicalparameterdatabase(containing30,000+modelcomparisonrecords)
• Employregisteredelectricalengineersfordocumentcompliancereview
• ProvideexclusivecustomsclearancechannelsforAEO-certifiedenterprises