One of our biggest aims at M&T Pipeline supplies is to have full transparancy when selling high quality products. We believe in these products long lasting and outstanding engineering capibilities and so should you! we provide data sheets to let customers really see the specifications when buying our products. We also offer test cerifications, these show exactly what has gone into making and testing these products as well as authenticity and product data for records. Many products come with data & test certificates but others may be required to pay an additional fee. for more information please contact us or visit one of our branches.