Quality Assurance (QA) is responsible for maintaining the Quality Manual, Quality Systems, Quality Control and Quality Certificates. Customer audits and approvals, specification reviews and certifications of materials are also part of this group. 　With advanced equipment and professional techniques, XSM is operated under modern enterprise management system. Besides, XSM has passed the ISO9001: 2000 quality system authentication. 　Quality Policy 　" Obeying the principle of mutual benefit, Continually improve our Processes and Quality Management System to provide Products and Services of the highest quality consistent with customer requirements." 　Quality Certificates