Build a safe, trustworthy, and efficient trustworthy data service system for the gem and jade industry. For jewelry suppliers, purchasers, design, processing, exhibition, finance, insurance, logistics, warehousing, evaluation and testing enterprises (institutions), it creates an industrial trustworthy data space covering the entire chain, forming a trinity data element ecology of "resource agglomeration - element co-creation - safety governance" to optimize the efficiency of industry resource allocation; develop data credit products, and cooperate with financial institutions to open fast supply chain financial service channels; provide industry big data analysis reports for industry enterprises to drive precise product R&D.