Shandong Huiyuan Building Materials (Group) Co., Ltd., founded in 1994, specializes in R&D, manufacturing, sales and water-proof construction of water-proof materials, painting, glass-magnesium fire-proof board, water-proof moulding board, and veneer, etc. With advanced equipments, powerful technologic strength and complete varieties, Huiyuan is one of the largest enterprises manufacturing fire-proof materials in China.
The products are made by soaking the base in bitumen.or thermoplasticity elastomer(such an styrene butadiene styrene--SBS),or thermoplastics(such as atactic Polypropylene---APP,APAO,APL)modified bitumen,then covering double faces with elastomer(SBS)or thermoplastics(APP,APAO,APL)modified bitumen,and last finishing the upward face with fine sands,mineral slates(or grai