Dear SirFirst of all would like to know how to call youGlad to receive your letter, you want I can provide the generic specifications of products to test?
Dear Sir would first like to know how to address you be glad to hear from you, would you like me to provide those generic specifications of the products tested it?
Dear sirFirst of all want to know how to call youWe are pleased to receive your letter, you hope that I can provide those products with extensive specifications to test it?