Extension petroleum HSE certification audit to determine representative site audit should consider the following factors: a) internal audit results and reports on-site and overall HSE management system; b) Results of management reviews; maturity c) management system; d ) level of understanding of the organization; difference e) field size; 1. HSE management system certification preparation in order to ensure a smooth pass before the HSE management system certification Qingyang HSE certification, in addition to a series of technical documents prepared outside HSE to apply for certification in accordance with the requirements of HSE Certification Center, the need for pre-certification training and organizing inspection welcome work arrangements. HSE certification certification before fully prepared, we can stabilize the mood of employees at all levels, so that the answers, busy but not chaotic, the auditors feel a good atmosphere of cooperation, which is an important factor in certification. Qingyang 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.