Shanghai huida calcium silicate was estabished in 1985 ,It is the largest base in Asia Spedialized in calcium silicate insulation materials (annual output 50000 cubic metre ), mainly engaged in reseach, development, manufacture,sale of the new insulation materials,mainwhile also manufacture glass wool. rock wool products. Our company acquire license of ISO9001 in 1997.
All of our products have reached the state standard GB, the same level of JIS , ASTM and BS. The products have already been ...