The PCT-621A system is a truck mounted complete mixing and pumping unit. This unit is state-of-the-art in mixing and automatic control. The quality of design, component selection, and quality manufacture makes it a benchmark in the industry. The high energy mixing system can mix the most difficult slurries and the ACM automatic density control will provide superior density control. The pump unit can be utilized for a variety of pumping services including acidizing, cementing, pressure testing and fracturing within the limits of the available horsepower. Back-to back installation of the triplex pumps makes the truck shorter and more compact. This system is designed for the most demanding oil and gas well cementingrequirements, and for minimum maintenance and operating in extremely harsh environment with temperatures ranging from -30°C to 50°C and relative humidity up to 90%