China National Logging Corporation (CNLC) was established in 1995 with the world-wide provision of well-bore technical services of internationally accepted quality and standards levels as its specific purpose. Since its establishment, CNLC has not only been providing integrated wellbore services to China's petroleum industry but has also progressively developed into a service company of international standing, having extended its business operations to several countries, such as Sudan, Niger, Iraq, Thailand, Pakistan, Indonesia, Bangladesh, Kazakhstan, Uzbekistan, Ecuador, Cuba, Azerbaijan, Oman and Algeria.