certificate

Recently, China Coal Group once again came with good news, its independent research and development and production of the model DW (48, 50)-200/110X (H) of the mining monobloc hydraulic props, by virt

Recently, two models of double-speed multi-purpose winches, JSDB-16 and JSDB-30, independently developed and produced by China Coal Group, have successfully passed the rigorous evaluation of the Natio

Recently, four models of two-speed multi-purpose winches, JSDB-10, JSDB-13, JSDB-19, and JSDB-25 independently developed and produced by China Coal Group Intelligent Manufacturing Corporation, have su

Jining Gongxin Business Vocational Training College Once Again Obtained The Aopa-Certified Civil Drone Pilot Training Institution Certificate

Recently, with the official approval of the State Intellectual Property Office, 7 companies under China Coal Group successfully obtained 30 national trademark registration certificates at one time. Am

This certificate is issued by the Safety Mark National Mining Product Safety Marking Center, marking the quality of the electromagnetic starter series produced by our group. And safety has been approv