Costantin China (Shanghai Constant Int’l Trading Co., Ltd.) is a professional foreign trade company which keeps good records in banks, customs, AQSIQ, administration of industry & commerce, tax administration bureau, foreign economic relation & trade commission, etc. Because of the company with abundant capital and enough experience, the team of which extend self-run import-export business and opening exhibition agency business is very professional. Till now, import-export businesses have not only been masterly operated, but one-stop service, the best trade project and consultation have been provided. Up to now, several companies, factories and personal affairs of import-export businesses have been already operated successfully.