ontto refractory from Zhengzhou, China, professional refractory production and sales of suppliers.
The company sells various types of refractory bricks: fire bricks, high alumina bricks, clay bricks, magnesia bricks, silica bricks; various types of refractory castable and insulation castable. And other insulation refractories.
The company has passed the ISO 9001-2000 quality management certification, laboratories in accordance with iso / iec 17025 standard by the provincial approval. All the refractory products meets the national standard
We also provide custom refractory services！Based on your needs！