After 2-3 months of inspection of our company, The TÜV Rheinland company confirmed that our company has reached the ISO9001 standard, and issued an ISO9001 certificate to our company.&nb...
After three months, WINNER motorized ball valve company passed the ISO9001 certification successfully on July 25 under the strict audit of the GermanTÜV Rheinland Company, and everything...
On the morning of April 28, 2021, our company as a professional electric ball valve manufacturer held a mobilization meeting for ISO9001 certification. In the meeting, we emphasized the need to unify ...
