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- ▪ welding flowers "bloom" guangzhou metro line 18
- ▪ state railway administration: promote major scientific and technological research and development and technological application of 400 km / h high-speed railway
- ▪ first in china! the observation meeting on intelligent track laying technology of ballasted track of xinyun company of china railway first bureau was held in china laos yumo railway
- ▪ sichuan-tibet railway lalin section completed!
- ▪ achievements of complete plant of digital pressure welder
- ▪ control system modification form
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- add:no.39 gangtong north rd.1,north distric,chengdu modern industrial park,pidu district,c hengdu,sichuan,p.rchina.
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news
iso system certification
addtime：2023-04-05click：1576
iso system certification team experts conducted certification audit on the operation of aigre's iso9001 management system from april 3th to 4th. the certification team checked the establishment, implementation, maintenance and continuous improvement of the company's management system by reviewing documents and records, visiting the site and communicating conseling. they gave positive affirmation to the operation of the system and enterprise management through comprehensive evaluation, and has put forward improvement suggestion for some inssues that existing in the on-site audit.
