Design, development and production of all products of "BTS" are performed in accordance with national and international standards; some of them are as follows:
* National standard of ISIRI-1275
* American standard of ASTM F-1974
* American standard of ASTM F-1281
* German standard of DIN-16893-16892

"BTS" is proud to be the first owner of national standard of Iran for five-layer pipe fittings, and it has taken the first step in production of standard fittings. Following this way and using the slogan of  "provision of product with million quality", "BTS" is proud to be the first owner of the most comprehensive certification (technical certificate) in the field of brass fittings for all standard five-layer pipes from Building and Housing Research Center.

<Click the gallery below to see the certificates>