ISO 9001:2015 Certificate Renewed After On-site Audit by TÜV Rheinland in Dongying Kelin Precision Machinery Co.,Ltd
In July, 2023, TÜV Rheinland China Ltd came to Dongying Kelin Precision Machinery Co.,Ltd and conducted an on-site audit, ensuing a renewal of Kelin’s ISO9001:2015 certificate.
Certif……