My whatsapp:8618230109881. Founded in 2009, Zhangjiagang Shalong Weld Backing Co., Ltd. is strategically located in Zhangjiagang City, Suzhou, Jiangsu Province。Our company specializes in the production of SL-A series ceramic weld backings, meeting the stringent quality and technical standards of China's shipping industry. We proudly hold the ISO 9001:2008 quality management system certification and have been recognized by the China Classification Society (CCS).
Our SL-A series weld backings are meticulously crafted through the sintering process, utilizing a blend of ceramic materials with a scientific formula. Adhering to international standards for sulfur and phosphorus content, SL-A products boast high refractoriness, exceptional mechanical strength, and resistance to deformation. Widely employed in shipbuilding, bridges, pressure vessels, and steel structures, they are particularly suitable for one-side welding, delivering a seamless and robust back weld seam.