our factory was founded in 1988.The information of our products as follow:
Flange: 1.Material: carbon steel, stainless steel, alloy steel;
2.Standard: GOST, ANSI, DIN, JIS, EN, BS, ASA,
3. Design: plate, blind, welding neck, slip-on, weld-on, lap joint, threaded, socket welding.
Pipe:SME/ANSI B16.9  forged steel welding pipe fitting
ASME/ANSI B16.11 Socket weld and screw thread forged pipe  
ME/ANSI B16.28 Steel welded small bending radius elbow and back  
ASME B16.5  flange and flange fitting
MSS SP-43 Forged stainless steel butt welding pipe  
MSS SP-83 Socket weld and threaded connector  
ANSI :ELBOW,TEE,REDUCER,CAP e.t.c