The SER22, manufactured by Shantui, is a rotary drilling rig that is specially designed to accumulate highways, railways, bridges, skyscrapers and urban construction projects. It incorporates a mass tilting angle which is used to regulate the rig for accurate, efficient and productive operations. Also, it offers a 3240-4400 mm distance between tracks undercarriage, feed cylinder with a 5m pull down stroke and a 250 kW power supply.