PRODUCT
Manufacturer of standard and custom pipe flanges made from stainless steel and other materials. Types include slip-on, weld neck, blind and lap joint flanges.
LONGAN FLANGE

Pressure Vessel Flange series

Pressure vessels are common in petrochemical, power, and light industries. Types include flat welding, long-neck butt-welding and forged tube sheets and baffle plates.

Plate flanges

Our plate flanges are in accordance with ANSI/ASME, DIN and other international standards. Designed for pressure from PN2.5 to 40 available in flat face, raised face, and ring joint configurations.
+86-15258415825
+86-15858538689
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