Placing Booms 28m Pumping Machine Parts in Sao Tome and Principe In Sao Tome and Principe, the installation of placing booms with 28m pumping machine parts is essential for efficient concrete pumping operations. These crucial machine parts ensure precise and controlled concrete placement in various construction projects across the country. With the use of advanced technology and high-quality equipment, the process of placing booms and pumping machine parts in Sao Tome and Principe is carried out with expertise and precision, contributing to the successful completion of construction projects.