Gongyi Yulin Welding Material Co. Ltd. is a professional manufacturer in R&D, production of the sintered flux in automatic submerged-arc welding which is belonging to the provincial high-tech enterprises. It has a number of senior engineer research team. After years of innovation and development, Gongyi Yulin Welding Material Co. Ltd. owns five domestic advanced production lines currently. The annual production capacity of 25,000 tons. Equipped with the strong technical force and the complete detection means. The sintered flux made by Gongyi Yulin Welding Material Co. Ltd. are widely used in domestic large steel buildings, spiral pipe, straight seam pipe, boiler and pressure vessel, chemical machinery, shipbuilding, locomotive, vehicle, railway bridge, roller surfacing and other industries. Besides, Gongyi Yulin Welding Material Co. Ltd.enjoying high reputation in China and also ensure the provision of quality products and services for customers. Warmly welcome home and abroad clien