Dear sirs,
This is Cindy from Hebei Tiantai Engineering Group Co.,Ltd.
I would like to take this opportunity to introduce our company as followings,

we are a big manuafacturer and exporter of seamless steel pipe stainless steel pipe,spiral steel pipe,hot finished steel pipe,galvanized iron steel pipe,SAW,LSAW,SSAW ,seamless carbon/alloys steel pipe in china. The pipe can be made according to customs' equirement
Seamless steel pipe:
1.ASTM A53 GR.B,model:1/4"28"13.7-711.2mm
2.ASTM A106 GR.B,model:1/4"28"13.7-711.2mm
3.API SPEC 5L,model:1/4"28"13.7-711.2mm
4.ASTM A106/A53/API 5L GR.B,model:1/4"28"13.7-711.2mm
5.ASTM A179,model:3/4"1"
6. ASTM A333,model:1/4"28",13.7-711.2mm
7.DIN2448/1629,model:1/4"-28",13.7-711.2mm
8.DIN17175-1979,model:1/4"-28",13.7-711.2mm
9.GB/T8162-1999,model:6-720*1-70mm
10.GB/T8163-1999,model:6-720*1-70mm
11.GB3087-1999,model:6-720*1-70mm
12.GB5310-1995,model:6-720*1-70mm  
our website is: www.duoyuantong.com
my email address is:cindy1_yin at 126.com
my msn is: cindy1_yin at hotmail.com
Any questions, pls don't hesitate to let me know.
if you have a demand of our products,please don't hesitate to contact us. Your support and cooperation is what we pursue.