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the 2022 national vocational college skill competition ended successfully!
2022-08-20
the 2022 national vocational college skill competition is in progress
2022-08-16
time welding machine in the 25th beijing essen welding & cutting fair in shanghai
2021-07-01
selection contest of 1st china skills competition is in progress
2020-09-30
time was elected the director unit of welding equipment branch of china welding associatio...
2020-09-25
the scientific and technological achievements of the national key research & developme...
2020-08-10
wsm-400 (pne61-400p) (380～440vac) new release
2020-08-07
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