Safety appraiser project manager of general contractor 工程总承包项目经理 seminar of new polyester products development 聚酯新产品开发研讨班 basic knowledge of overall quality management 全面质量管理基本知识 Theory and Application of Computer Z80 微机原理及应用
Safty Inspector Gr. Project Manager New Product of Polyester Development and Research Group The Basic Knowledge for General Quality Managment Principle and Application for Z80 Computer