GEO-ALLEN CO.,LTD. quality control

With "BEST SERVICE, BEST QUALITY, & BEST PRICES", we gained high reputation from all of our customers. We passed ISO9001 from DNV business assurance management system certificate in year 2008.With the DNV’s ISO9001 certificate and 15 years of development, Geo-Allen is gaining more and more recognition in our field. Geo-Allen is looking forward to a bright new year in 2017 with all our friends around the world.