flange  standard including :ASME/ANSI, MSS SP44,API,AWWA,DIN,AS,JIS, BS/KS, EU, GOST, UNI, SABS/SANS, EN ,AS/NZS, NS.
size:1/2" to 76". pressure :PN15-PN3000. fitting (elbow,tees,redecers,returns,caps,stub ends,crosses,bends etc)and pipe and  fabricated products .Material include stainless steel ,carbon steel and alloy steel etc
.We use numerical control lathe processing,can accoding to your drawings production.
Especially non-standard flange and fittings .we had big advantage.