A commercial invoice, packing list and the CIF (cost, insurance and freight) must be provided for the shipment.
Mainly in the field of harmonized customs tariff numbers (HS Codes) companies are often confronted with extensive issues.
[citation needed] For products which require Chinese certificates, copies of the respective documents (CCC, CEL, CFDA, CRCC, HAF 604, etc.)
Depending on the applicable regulations, the certified products have to be marked and a printing permission has to be obtained.
Many companies expect a smooth customs clearance process in China because their products are not mandatory for a certification.
However, it often occurs that products are detained in customs clearance with a note saying certifications are required.
Before transportation, China Customs will check whether the goods have health certificate and animal or plants quarantine issued by General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China.