For 33 years, Zhao jiansuo has grown from a technician, technical director and project manager of the project management department to a manager of the enterprise. He has always been engaged in the management of technical quality, environmental protection and occupational health and safety of construction enterprises. He began to engage in certification and audit in 2002, with rich technical quality Practical experience in environmental protection and occupational health and safety management.
As a professional auditor, Zhao jiansuo has served enterprises including China Construction First Bureau Group Construction Development Co., Ltd., China Construction Third Bureau Second Construction Engineering Co., Ltd., China Construction Fourth Bureau Sixth Construction Engineering Co., Ltd., China Construction Strait Construction Development Co., Ltd., China Construction Civil Construction Co., Ltd., China Construction Seventh Bureau fourth Construction Co., Ltd China Railway Electrification Bureau Group Co., Ltd., China Railway sixth Bureau Group Co., Ltd., China Railway Beijing Engineering Bureau Group Co., Ltd., China Railway 16th Bureau Group Co., Ltd., China Machinery Industry Construction Group Co., Ltd., China Nonferrous Metals Construction Co., Ltd., Wuliangye Group (Co., Ltd.), China Petroleum Engineering Construction Co., Ltd China aneng Construction Group Co., Ltd., Sinochem Second Construction Group Co., Ltd., Shaanxi Construction Engineering Group Co., Ltd., Beijing ZhuZong Group Co., Ltd., Beijing Construction Engineering Group Co., Ltd., Hebei Construction Group Co., Ltd., Wuhan Construction Engineering Group Co., Ltd., China Railway fifth survey and Design Institute Group Co., Ltd Audit of large enterprises such as China Power Investment Group Science and Technology Research Institute Co., Ltd. CNAs has twice accepted the witness review of EMS / OHSMS field.
As a professional auditor, Zhao jiansuo has served enterprises including China Construction First Bureau Group Construction Development Co., Ltd., China Construction Third Bureau Second Construction Engineering Co., Ltd., China Construction Fourth Bureau Sixth Construction Engineering Co., Ltd., China Construction Strait Construction Development Co., Ltd., China Construction Civil Construction Co., Ltd., China Construction Seventh Bureau fourth Construction Co., Ltd China Railway Electrification Bureau Group Co., Ltd., China Railway sixth Bureau Group Co., Ltd., China Railway Beijing Engineering Bureau Group Co., Ltd., China Railway 16th Bureau Group Co., Ltd., China Machinery Industry Construction Group Co., Ltd., China Nonferrous Metals Construction Co., Ltd., Wuliangye Group (Co., Ltd.), China Petroleum Engineering Construction Co., Ltd China aneng Construction Group Co., Ltd., Sinochem Second Construction Group Co., Ltd., Shaanxi Construction Engineering Group Co., Ltd., Beijing ZhuZong Group Co., Ltd., Beijing Construction Engineering Group Co., Ltd., Hebei Construction Group Co., Ltd., Wuhan Construction Engineering Group Co., Ltd., China Railway fifth survey and Design Institute Group Co., Ltd Audit of large enterprises such as China Power Investment Group Science and Technology Research Institute Co., Ltd. CNAs has twice accepted the witness review of EMS / OHSMS field.