China Gem & Jade Exchange known as CGE, is a state-level transaction platform for gems and jade approved by the State Council. CGE has always adhered to the concepts of "technology and innovation", and is a national new high-tech enterprise approved by the Ministry of Science and Technology. With the established "gems and jade exchange", it provides the one-stop information-based customs clearance service for the international jewelry enterprises by using the technologies such as real-time retrospection, big data, blockchain and high-end intelligence, through the platform of China International Trade Single Window. CGE is operated as per the international trading rules of gems and jade, and providing the specialized transactions as well as the third-party supporting services including bonded warehousing, logistics, customs clearance, insurance, authentication and evaluation for the international jewelry enterprises. It carries out the standardization of gems and jade, the facilitation of customs clearance at ports, the construction of traceability and integrity systems, and promotes the integration and standardized development of industry resources.