BZ solids control is a solution provider of drilling waste management. Drilling waste management system is also called zero-discharge system. Key equipment includes high-G shaker, cutting dryer, decanter centrifuge, screw pump and srew conveyor. They can be used to treat WBM, OBM and SBM. Drilling cuttings after treatment are transfered for other use, recycled drilling fluid is pumping back to solids control system. BZ drilling waste management system has both environmental value and economic value.