Jewelry Exchange Center uses the brand new C2C business model that brings the best buyers worldwide together. We are using the same valuation process as those large international auctions such as Sotheby's and Christie's. Featuring fast delivery, fair and transparent service, Jewelry Exchange Center strives to provide a platform that sells your collections at the best price in the fastest and safest way. In consideration of Taiwanese exquisite appreciation on jewelry collection, Diamond Bank established Jewelry Exchange Center (JEC) using the platform of M2M (Mine to the Market) that has been set up for three years. Our collections come from the jewelry collectors of Sotheby's and Christie's. Our operation is in accordance to the valuation process of international auctions, we converge the unsold inventory from major jewelry stores and mid-upstream suppliers in Taiwan, use big data to calculate the cost of each item and present the item to possible buyer through JEC. In order to protect the rights of the grantor, Jewelry Exchange Center (JEC) cooperated with Yuanta Bank to launch the industry's unprecedented guarantee service: the client agrees and signs the relevant contract, and as the jewelry are placed in the JEC matchmaking transaction opportunity, the Escrow will be provided according to the item’s price. If the damage or loss of the goods are attributable to JEC, Yuanta Bank will pay the commission price to the client.