National buliding materials web

THE COMMENDATORY MANUFACTURING ENTERPRISES OF
THE PROFESSIONAL EQUIPMENT FOR THE PHYSICAL PERFORMANCE
EXAMINATION OF THE CEMENT OF THE INTERNATIONAL ISO STANDARD

The newly issued standards for the six portland cements, namely GB175-1999、GB1344-1999 and GB12958-1999 has been come into effect. It is now the transitional stage to substitute the old standards by the new ones. The old standards of GB175-92、GB1344-92 and GB12958-91 will be abandoned at the April 1, 2001. The GB/T17671-1999 'the testing method for the strength of the cement concrete (ISO)' will implemented.
Therefore, the relative building materials units, organized by the National building materials Bureau, has checked the enterprises manufacturing testing instruments of the physical performance of the cements for their quality of the products, furnish, administration office, design controlling, file supervision, manufacturing process controlling, quality testing, packing, loading, service and staff running. the following enterprises are the enterprises who get the qualification to produce the testing equipment for the physical performance of the cement.

(THERE ARE NO FIXUP ORDER FOR THE ENTERPRISES)

Ningbo Taifu industry commercial company

Xishan xidong factory of building materials equipment

Wuxi xiyi factory of building materials equipment

Guanzhou technology school factory of building materials

Shenyang northern testing equipment factory

Shaoxing Kent machinery electronic company

Inner Mongolia Changda science instrument factory of building materials

Shanghai subsidiary factory of tongji university

Shenyang equipments factory of building materials industry

Shenyang Beijian equipment manufacture plant

Potou Kexi instrument plant