BV

Based on the quality control system which built on ISO 9001 : 2000 rules, Glen Flange get the BV certification for DIN blind, loose, threaded, weld neck, slip on flanges and make the BV mark on each flanges to guarantee high quality of our products.

DNV

Based on the quality control system which built on ISO 9001 : 2000 rules, Glen Flange get the DNV certification for JIS 5K, 10K, 16K, 20K, 30K flanges and make the DNV mark on each flanges to guarantee high quality of our products.

LR

Based on the quality control system which built on ISO 9001 : 2000 rules, Glen Flange get the LR certification for EN10921 flanges and make the LR mark on each flanges to guarantee high quality of our products.