国产视频一区二区三区在线看,国精产品一区一区三区小说,美女屁股眼秘 视频免费,激情都市校园春色人妻,人妻中文字幕在线免费观看,熟女奶头流奶水精品国产,亚洲国产精品成人av码,绫濑遥人妻侵犯av电影在线,五月天激情国产综合婷婷婷

The company has passed and introduced a series of management systems including quality, environment, occupational health and safety

Certified management system
1、ISO9001:2018(Quality management system）
2、ISO14001:2018(Environmental management system）
3、ISO45001:2019（Occupational health and safety management system）
4. QC080000 (hazardous substance process management system)

Imported management system
1、ISO9001:2018(Quality management system）
2、ISO14001:2018(Environmental management system）
3、ISO45001:2019（Occupational health and safety management system）
4、QC080000（Process management system of hazardous substances）
5、SA8000(Social responsibility management system）
6、ISO27001(Information security management system）
7、C-TPAT(Customs trading partner counter terrorism program）