DEAR SIRS, THIS IS AQI ZHANG FROM HUNAN GREAT STEEL PIPE CO., LTD, GLAD TO KNOW YOU ON ***** I WOULD LIKE TAKE OPPORTUNITY INTRODUCE OUR COPMANY AND PRODUCTS, WE AS ONE OF BIGGEST PRODUCTS IN SOUTH CHINA, SPECIALIZED MANUFACTURING EXPORTING VARIOUS KINDS SEEMLESS PIPE, ERW SAW LSAW DSAW SSAW ALLOY, ...