Architectural Institute of Science and Technology in Shandong Province - China

Its ferric chloride waterproofing agent was invented in 1987 Sidengjiang countries, the new test among gangue cementing material of 1983 in Shandong Province second prize, NC early strength concrete of the 1981 State Construction Engineering Administration of Industry for National Defense, SCD160/160 construction of the lift 1990 second prize in the Ministry of Construction, cement kilns operating the new