2025 General Administration of Customs data shows that the error rate in import declarations for mechanical equipment products increased by 3.7 percentage points year-on-year, with 72% of disputed cases involving HS code application issues. A typical case where an auto parts manufacturer overpaid 650,000 yuan in tariffs due to misuse of tariff code 8431.20 exposes systemic risks in traditional import models.
Five screening criteria for professional agencies
Qualification matrix verification
AEO (Authorized Economic Operator) Advanced Certification qualification from customs
Record of Handling Automatic Import Licenses for Mechanical and Electrical Products
Operation experience in special equipment safety access projects
Logistics solution penetration capability
Port lifting capacity for oversized equipment transportation
International certification system for shockproof packaging (ISTA 3E standard)
Tax treatment professionalism
Proficiency in tariff guarantee insurance application
Royalty fee allocation declaration experience
Standard operating procedure analysis
Pre - filing stage
Equipment functional parameter verification (focus on preventing concealment of used machinery)