Estan Pipe Fittings Co., Ltd. is a professional pipe fittings manufacturer which focus on Carbon Steel Butt Weld Fittings, Stainless Steel Butt Weld Fittings, Forged Socket Weld Fittings, Forged Threaded Fittings, Flanges& Pipes. Products: elbow, tee, cross, reducer, cap, union, flange, bend, coupling, nipple, outlet. Material: carbon steel, alloy steel, stainless steel, ductile iron, austenitic stainless steel, duplex stainless steel, nickel-based alloy and so on. Standard: ANSI/ASME, DIN, JIS; such as ANSI B16.9, ANSI B16.11, ANSI B16.5, DIN 1605, JIS 2220 etc. We can also manufacture according to customers' special designs and requirements.