HQ pipeline supply the forged steel fittings in full range, from the carbon steel to stainless steel, from threaded to socket welded. It has been sold worldwide for years and well recognized by all customers for its quality. For threaded forged steel fittings, they are well machined with the CNC machines after forging. Thread are well done without any thread problem. Forged couplings and nipples are highly demanded in the pipeline connection. They are used to extend or terminate pipe runs, and also used to change pipe size, when they are used to connect pipes of different sizes, they are known as reducing coupling and reducing nipple. Our couplings and nipples can further be customized in terms of thicknesses, sizes and specifications as per the specific requirements of our customers. The good quality and perfect machined outlook including thread, will satisfy the customers and bring more cooperation for you and our dear cutomers. In the new year 2017, let us do better and have a great year.