Heavy Metal & Tubes Limited-Unit-III located in Mehsana, Gujarat, India is licensed under API-5CT 5CT-1824 from April 27, 2016 to April 27, 2019 to manufacture casing or tubing couplings, pup joints, coupling stock, seamless casing or tubing plain end, and seamless casing or tubing threaded and coupled in Group 3 P110/PSL 2 as well as perform threading services, excluding design and development and servicing.