LONG WELDING NECK Flansch

* Product type : Slip-on, welding neck, socket welding, threaded, lap joint, blind and include of OEM. ODM customer designed. * rating : Class 150, 300, 400, 600, 900, 1500, 2500 * High quality with lowest price * Our company is a specialized manufacturer of all kinds of standard flanges and special application flange. We supply 6000 tons flange every year. Products are exported to the USA, Japan, Korea and many other countries, with good quality recognition from customers.