2) a reasonable choice although the sample, HSE management system audit to cover the seven-level elements (26 secondary elements) and all relevant sector organizations, but it is not required to be audited each department seven elements of Ordos HSE certification, You do not need to review all site Changqing Oilfield HSE certification of the sector, but can not be asked to inspect all relevant records. Therefore, to ensure systematic and complete audit is required by a reasonable sample selection carried out the audits. 9. Internal Audit Internal audit is to examine its own HSE certification company conducted HSE management system is a systematic process to verify whether the system for proper operation and to achieve the desired goals made Shaanxi HSE certification, HSE Management System a self-assurance tool. Internal audit is usually full review of all elements of the system, and can be centralized and rolling in two ways. It shall be audited objects with no direct responsibility for personnel to implement, in order to ensure audit objectivity, impartiality and independence. Yan'an HSE certification, China Certified Technology Specialist (certified), HSE certification provided by the Chinese Certified Technology Specialist studio. China Certified Technology Specialist studio (www.zgrzzj.cn) is Xi'an, advice, research leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Certified Technology Specialist in Chinese leadership with the staff warmly welcome all inquiries negotiations to create a Chinese Certified Technology Specialist better future.