Shenzhen jiucheng plastic & mechanic co . , ltd ( zhejiang fine mechanic co . , ltd ) has passed various international quality system management , with complete and advanced managing system and excellent senior managers . strict quality control and making everything perfect in products our company principle 深圳市久诚塑胶机械有限公司(浙江精制机械厂)已经通过多项国际质量体系认证，拥有一套严谨科学的管理体系和一批优秀的高级管理人员，对产品的每一道工序都有严格的质量检验标准，对产品的每一个细节都要求尽善尽美，为客户提供零缺点的产品是我们的企业宗旨。
Thirdly , by the method of questionnaire and quality control tools , the buying and selling process quality control proposal is given in this article , thereby , the analytical methods of quality control including the acceptance criterion of wheat , the process capacity of supply and customer satisfaction indexes evaluation are discussed in this article . fourthly , based on the methods of statistical process control , this article evaluate the factor that have a impact on the process of the stored grain with qualitative analysis and quantitative analysis , and bring forward the design proposal of controlling temperature for stored grain in warehouse . at last , in order to bring the optimization design for quality management system into effect and advance the enterprise in overall management , the article table a proposal including strengthening the training of quality management , introducing iso9000 standard into quality management , bringing about the grain industrialization , standardizing quality inspection criterion , developing the computer auxiliary control system 首先依照iso9001标准，借助于设计的专家调查表通过专家调查，对该粮库的质量管理体系现状进行详细分析，确定出质量管理体系文件、资源管理、产品实现过程、质量控制和质量改进五个方面存在的主要问题；其次运用系统方法建立了粮库质量管理体系完善程序及质量管理体系的三维空间结构模型，并在此基础上优化设计出了质量管理体系内部审核、不合格控制、纠正和预防措施等质量改进实施方案；再次，运用调查表法和质量管理控制工具对该粮库的粮食轮换过程的质量控制进行了优化设计，确定出粮食采购标准、供应过程能力分析以及顾客满意度评价等分析方案；然后，运用统计过程分析方法对粮食仓储过程的影响因素及其原因进行定性和定量分析评价，确定出仓储过程质量控制的优化方案；最后，为确保设计方案的有效实施，从粮库加强质量管理培训、导入iso9000族标准、粮食产业化开发、规范粮食质量检验标准、开发计算机辅助控制系统五个方面提出具体实施建议，以便提高其整体质量管理水平。
