Pasgan Filter Company holds Iran’s Standard Certificate for its oil filters, heavy and light duty air filters permitting the company to label its fabrications with Iran’s official standard sign. 
Iran’s Standard sign is a reliable symbol of trust and quality for the consumers since Iran’s National Organization of Standard has proven to be seriously and strictly implementing its standards in all industries.  Iran’s National Standard Organization controls the Pasgan Filter Company’s production and products every three months at random date.