Well blocks, tapping hole blocks, nozzle bricks have the characteristics of good thermal stability, high strength, corrosion resistance, erosion resistance, small hole reaming, and good wear resistance. Well blocks are mainly used in ladle and tundish; tapping hole blocks are mainly used in electric furnaces and converters; nozzle bricks are mainly used in ladle and other metallurgical equipment.

Bontrue New Materials Co., Ltd.  is China's leading supplier dedicated to providing its customers with the quick quotes, superior quality refractory products, competitive prices and fastest possible deliveries of refractory engineering solutions. Founded in Zhengzhou in east-central China, with over years of expertise in refractory engineering, the company is committed to research & development, and providing a range of high quality, innovative, cost-effective refractory products and engineering solutions.

At present, its main products are tabular alumina, blast furnace slag, refining slag, taphole clay, well block, tapping hole block and nozzle brick. 

As a ISO9001:2015 certified supplier, possessing sophisticated production lines and inspection equipments, providing diverse lines of variety refractory products backed by expert R&D technical support, we develop closer customer relationships and taking on a larger role in the total supply and manufacturing chain.
 

1. 7*24 hours on-line service. 
2. Continuously monitor customers' usage. 
3. Engineers on site for after-sale retun visit and providing techinical support. 
4. Stong production capacity and plenty of inventory to ensure further orders.  
5.All kinds of refining slags are produced: premelted refining slag, sintering refining slag, composite refining slag, high MgO content refining slag, high Al₂O₃ content refining slag, high CaO content refining slag, laddle refiing slag, tundish refining slag.