Broadcast course preview course name: construction site safety data course time: October 15, 2021 09:30-10:30 course Speaker: Hengzhi Tiancheng Technology Department course link: https://szw.h5.xeknow.com/s/373jrI This course is completely free! About our account operation: Official Website of Tangshan Hengzhi Tiancheng Technology Co., Ltd.: http://www.hztc.com.cn Online class: log in to the official website and select the online class tab for free learning! Official Tel: 4006338987 official QQ: 4006338987 leave a message before you go ~ let me know you love me!..
