Glad to hear that you are on the marker of pipe fittings.And we are pleased to tell you that we speclized in stainless steel butt-weld tee pipe fittings for 22 years.
WT: SCH30 STD SCH100 SCH160 
OD: DN200 DN400 DN650 DN700
Materials: ASTM A312 321 ASTM A213 304L ASTM A213 321 
Standard: GB/T13401-2005 
Strong technical strength, advanced production facilities and test equipment, the sense of refined products growing with each passing day and continued improvement in productive technology, makes products sell well in North and South America Italy, South Korea, East Europe and the Middle East ect.
If you have any need about stainless steel butt-weld tee pipe fittings,you can contract me any time.