Mohtsham Carpet company has various international certificates and has globally approved standards, which you can view the files of these certificates below.
1- https://mohtashamcarpet.com/content/files/certificate/certificate1.pdf
2- https://mohtashamcarpet.com/content/files/certificate/certificate2.pdf
3- https://mohtashamcarpet.com/content/files/certificate/certificate3.pdf
