carbon steel elbow pipe fittings supplier
Hebei Enti Elbow pipe fittings Co., Ltd speclize in carbon steel elbow pipe fittings
OD: DN200 DN300 DN700 DN850 
WT: SCH10 STD SCH140 SCH160 
Materials: carbon steel and stainless steel and alloy steel
Standard: ASTM GB JIS SY DIN
If you have any need,you can contract me.And I can give you some free sample of carbon steel elbow pipe fittings