Anqing Great Wall Pipeline Company is the professional Chinese manufacturer of Equipment and Pipe Fittings for Hot Tapping and Line Stop for over 10 years. The range of our products including Hydraulic Hot Tapping Machine, Hydraulic Line Stop Machine, Completion Machine, Sandwich Valve, Stopple Fitting, Cutter, Plugging Head, Sealing Elements and etc. The application of our hot tap and line stop equipment include valve installation/replacement, pipeline re-routing, pipeline repair, replacement, decommissioning and etc. Also we are the professional Chinese Hot Tapping and Line Stop Project Contractor with the rich experience and advanced technology. Our team have the rich experience of Hot Tap and Line Stop Project for Petroleum Refining Plant, Finished Oil Pipeline, Natural Gas Pipeline, LPG Pipeline, BF (Blast Furnace Gas) Pipeline, COG (Coke Oven Gas) Pipeline and Converter Gas Pipeline for Steel Plant and etc. Our GW Brand Hydraulic Hot Tapping Machine Series are for Hot Tapping Size 6''-56'' and the design pressure of our Hot Tapping Machine is up to 1450psi. The features of our Hydraulic Hot Tapping Machine including automatic feeding, speed adjustable, long travel distance, built-in pressure equalization, measuring spindle and etc. The flange connection of our Hot Tap and Line Stop Equipment and Fittings conform to ASME standard Flange Connection. Welcome to cooperate with u