It derived from the limitation of property rights 、 issue of information and trade cost.

On Product Defect and Products Liability;

The causes of the common product defects formed in production with YFC series of cold welding bimetal contact manufacturing machines are analyzed and corresponding solutions are proposed in .

For example,how to define the existence of product defect,especially how to define whether design defect exists when producer has mentioned the product defect and how to define the relationship between product design defect and caution defect.

Electronic energy loss effects induced by swift heavy ion irradiation,such as defect production and evolution,ion latent track formation,phase transformation and anisotropy plastic deformation were introduced emphatically.

Management mode for public disaster-inducing defective products;

This article discusses the necessity and urgency of constructinga legal system of recalling defective products in China,taking the startling Three Deer Milk Powder event for an example.

It is necessary to define"re- calling defective product"as an obligation,rather than a liability,so as to encourage the producers and sellers to take ef- fective remedies immediately when defects turn out.