Quantum Thinking Ltd. operates as an investment holding company, which engages in the provision of system development services and other value-added technical consultation services and hardware-related business. The company employs 25 full-time employees The company went IPO on 2000-04-27. The firm operates its business through three segments. The Short Messaging Service Fee segment is engaged in the short messaging service fee. The System Development Services segment is engaged in the system development services. The Sales of Hardware segment is engaged in the sales of hardware.