Criteria for identifying delivery of ocean cargo and their application in practice in China;

Research on Legal Problems in Delivery of Commercial Housing;

The regulation of the risk-bearing in performance should be different according to different situations,when the consignment should be the core.

The difference that understanding have because of our country educational circle and legislative circle use "hand over" in two kinds of different meanings mainly, what is adopted is the "ownership doctrine" in our country contract law but not "hand over doctrine" .