Our company located in one of the largest national production bases of seamless steel pipe for casing, established in 1958, is a large professional state-owned enterprise producing seamless steel pipe. Now it has formed a production capacity of annual output of more than 400,000 tons of seamless steel pipe in two big series ,hot -rolled and cold-drawn pipes .The product norm are in a range of F 10-219*1.0-45mm. Our company has a complete set of inspection equipment.(it use hyhraulic testing equipment , eddy current testing equipment,ultrasonic testing equipment and authoritative testing equipment which are introduced from American Tuboscope company). Our company has a formed an overall pattern of structural adjustment, including leading proucts, honored as famous brand in Tianjin,all kinds of the "Double -ladder" brand seamlesss steel pipes that our produce are in greate demand throughout china and exported to Europe , Asia, American ,African and so on , and export sales volume in greatly increasing year by year.