See our certificates

GMM can deliver you the quality you need including all necessary test documents and certificates. We have the possibility to upgrade 3.1 certificates to 3.1+ or 3.1C (3.2) certificates. Besides that we have the ability to carry out almost any additional test on the material that you might require. . GMM has been awarded re-marking acceptance by LR’s for materials with 3.1 and even 3.2 certification.

ISO Certificate

GMM is a ISO9001:2015 certified company. Here you find our ISO Certificate (English).

ISO LLOYDS Certificate​

GMM is a ISO9001:2015 certified company. Here you find our ISO Certificate (English).

Emerson 2022


as GMM: Gobinda Mixed Metals, we take immense pride in announcing our latest achievement: Emerson has once again named us the Best Supplier of 2022. This recognition is a testament to our unwavering commitment to outstanding performance, speed, flexibility, and overall service. Join us in celebrating the excellence that defines GMM in the realm of metal manufacturing.