进行产权交易　扩大对外贸易张刚进行企业产权改造，能够发挥不同所有制的各类企业产权现有存量资产的作用。通过对企业部分或全部资产采取拍卖、租赁、联营、合资等经营方式，引进国内外先进技术、设备、资金及无形资产产权，达到产权重组和生产力优化配置。使企业产权尽... Transforming Property Rights and Expanding Foreign Trade Zhang Gang carries out the transformation of property rights of enterprises so as to bring into play the role of existing stock assets of various types of enterprises under different ownership systems. By adopting such operating modes as auction, lease, joint venture and joint venture for part or all of the assets of the enterprise, the Company introduced the advanced technologies, equipment, funds and intangible assets at home and abroad to achieve the reorganization of property rights and the optimized allocation of productivity. Make enterprise property right ...