An ATA Carnet is an international customs document issued by 70 countries that allows for the temporary import and re-export of merchandise and equipment without payment of import duties and taxes, provided it leaves within one year. It simplifies customs clearance. Goods covered include commercial samples, professional equipment, and items for exhibitions and fairs. China Expotrans can apply for an ATA Carnet within 3 days and help arrange customs clearance in several Chinese cities.