About us

Haisheng Welding Gasket Co., Ltd. is located in the beautiful coastal city of Yantai. It is a professional ceramic gasket manufacturer integrating R&D, production and sales. With more than ten years of experience and continuous innovation, the products are widely used in the manufacturing industry such as ships, bridges, boilers, pressure vessels, steel structures, and auto parts through authoritative approval. It can greatly improve labor efficiency, welding quality, reduce welding costs, improve labor environment and other advantages. "Haisheng Brand" HS series welding backing is a kind of adhesive ceramic welding backing. It is made of a variety of ceramic raw materials (a-AL2O3 is greater than 30%) and flux. It has the characteristics of high refractoriness, resistance to deformation, and high mechanical strength. The bulk density of the liner is >1750kg/m3, the moisture absorption rate is <0.4%, and the refractoriness is> 1300 ℃. The sulfur and phosphorus content of this product meets international general standards. After use, the weld is firm, crack-resistant, tough, and stable in mechanical properties. It is suitable for single-side welding of general steel structure flat, vertical and horizontal butt joints. That is, single-sided welding and double-sided forming at one time. And the back welding seam is full, firm and beautiful.