国产一级自拍av色欲_国产免费久久观看黄AV片_性欧美黑人巨大videoshd_欧美特黄一级综合_女人与动牲交av免费_两性午夜免费无码_中文中文字幕无线码一区_九九九国产在现视频_亚洲欧美日本另类激情_成年人在线播放视频

●   Adhere to the policy of "safety first, prevention first and comprehensive treatment".

●   Strictly comply with national and local EHS laws, regulations and standards.

●   Strengthen the company's EHS management in all aspects, implement and gradually improve the internal operating procedures.

●   The effective operation of the DCS/SIS system realizes the automation of all high-risk processes, aiming at minimizing the impact on the environment and minimizing the occupational health risks and safety hazards.

●   Promote green chemical projects, including the design of green processes, the development and continuous flow of biocatalysts.