QCSB began operations with one batching plant and six mixer-trucks. Since then, it has grown its operation with 6 plants, a total fleet of 60 trucks in Sarawak and some 100 employees.
It supplies concrete for many of Sarawak's high rise projects, fly-over, bridges, ports foundation work and reservoirs such as Pan Borneo Highway (Telok Melano to Sematan), Pullman Hotel, BDC Flyover, Four Points (Sheraton), Bangunan Masja and City North Headquarters, Indoor State Stadium and Senari Port, Kuching Barrage and Kuching International Airport.
As a result of stringent quality control at various stages of manufacturing, QCSB was awarded the ISO 9001: 2000 certification in year 2002 and upgraded to ISO 9001:2015 in year 2018
