our company's name is HEBEI ZHONGHAI STEEL PIPE MANUFACTURING CO.,LTD in china and we are specializing in the seamless steel pipe,the hot rolling steel pipe,the welded steel pipe and so on,especially for the outside diameter which up to 820mm.these product aregenerally used in chemical,petroleum,mechanical production fields. at the same time we carry strictly out types of standards,for example: GB/T,ASTM,DIN.at present we have been making efforts to apply for the API and will obtain the certificate in the end of this year. each of participator of our group holds to be diligent to explore,focus on endless self improvement and strive to our international competitive capacities. i hope we can make a good relationship with your company in the short time. awaiting for your early reply. with regards jason li address:longtan industrial developing area in yanshan city of hebei province tel:+86-010-58765521 fax:+86-010-58764615 e-mail:zhonghaisteelpipe2@126.com mobil:13