【正文】 ld determine the approved inspection Qualified enterprises should be based on documents required to accept the failure of these individual products may be part of the normal fluctuations of the failure, you can not find the cause of the specialized supplier of quality can be improved as the only constant, and gradually improve the process capability and reduce the 、Control of contract suppliers In order to ensure customer satisfaction with products and services, panies must form the whole process of product management and strict order to make the whole supply chain, every link, that is, partners, specifically the quality of their responsibilities and obligations, and to ensure implementation of the contract between the partners must be in the form of the formation of mitment, and mitment to the contents of the measure in accordance with quality and here refers only to the contract signed by the relevant parties to provide the quality of the supply chain responsibilities between the terms of documentation, including contracts and and reasonable contract for both sides not only play the role of reliable constraints, and can effectively protect the interests of both.（1）Content and standards to ensure that contracts, regulations, and the unity of enterprise system l Contract may be quoted or learn from the established laws, regulations or rules and regulations, as to require ining inspection standards GB2828 random sample of standard。electrical products must ply with GB4706 and other security found with the relevant laws, regulations, standards, system inconsistencies found shall timely found inconsistencies in the implementation process, that party shall promptly notify the innocent party, according to pliance with laws, regulations, standards, institutional manner.（2）Content of the contract should be practical and effective Drafting and signing of contract, we must consider the actual process of product formation, considering the operability of contract protocols may need to consider in the development of many factors that need more detailed provisions, but if too cumbersome, the lack of maneuverability, but would not achieve its proper example, a pany should purchase from a supplier of processing a large number of bearing bearing on the material requirements more stringent, higher precision, quality assurance pany, ask for in the agreement for each batch of material chemical position analysis and physical the introduction of full set of suppliers of test equipment, is bound to spend a lot of cost, while equipped with the appropriate technical you do not increase the allocation of resources, so each must be sent to munity inspection institutions, to pay for expensive testing this contract, if the supplier careful testing, he will consider the profitsrisk analysis, the price increase an agreement more difficult to perform up there, but also easily lead to unnecessary disputes, is not conducive to the stability and quality of supply chain value chain formation.（3）Contract should be clear rights and responsibilities of both parties, to encourage suppliers to continuous improvement and innovation Contract should be clear rights and responsibilities of both supply and demand, but also should provide the necessary incentive provisions, on the one hand the quality of binding behavior of suppliers, on the other hand encourage suppliers to continuously improve product of suppliers, including two is the division of responsibility for the quality of the resulting rewards and punishments。the other is based on performance appraisal and reward and punishment the actual operation, the appropriate reward management may produce unexpected supplier of the product in the hands of customers appeared more serious quality problems, panies immediately notify the supplier of the cause and take corrective take notice, sent to the site to actively assist in the investigation and analysis of the problem was quickly to the agreement originally provided that the supplier should bear all the responsibility for quality in addition, we must also bear the amount of money in , taking into account the supplier panies is their key suppliers, have been working very smoothly, stable quality, decided to reward quality supplier of rapid response and a positive attitude, eliminating all of the evaluation results found that the rate of qualified products suppliers are more substantial than the increase over the previous （4）The contents of the contract should be fair and equitable Contract should be negotiated through the full consensus of both parties, not just one party against another or request a declaration, content to go through both the recognition and addition, the contract terms should cover product development, trial production, testing, packaging, delivery to nonconforming product processing, service the whole process, so the contract can contain multiple levels, such as supply contracts, quality assurance agreements, technology agreements, service 、Supplier performance evaluation and dynamic management Suppliers as an important resource for product realization is bound to emphasize its put the ISO9000 standard management system effectiveness to consider as a priority, so the assessment of supplier performance is important, it is the dynamic management, eliminating the basis by choosing inferior.（1）Evaluation Method Accordance with the procurement requirements of key materials, the main material and secondary materials on a regular basis for quality assessment of defect of subcritical parameters of the defects recorded as 3 points, 2 points for major defects, minor defects was materials, in accordance with the provisions of the sampling method the maximum score is 6 Engineer accordingly suppliers rating, give notice to the method is simple, save manpower, but the index below normal.（2）Dynamic Management Based on performance records, all suppliers on a regular basis for dynamic classification sup