1, the company is formal. Zhongquan source rating company is a formal company. This company focuses on providing identification services for coin collections, and has a perfect corporate organizational structure.
2, appraisal is reliable. Appraisal of coins is required to pay appraisal fees, appraisal fees, how much is clearly defined, the general appraisal results for real coins fee will be correspondingly high, if it is unable to identify the coin fee will be returned to the user.