China BLG Concrete pump placing boom in Democratic Congo China BLG is a leading manufacturer of concrete pump placing booms, and they have recently expanded their operations to the Democratic Republic of Congo. Their innovative and high-quality placing booms are designed to improve efficiency and safety in construction projects, making them an ideal choice for the growing construction industry in the country. With China BLG's expertise and technology, construction companies in the Democratic Republic of Congo can now benefit from state-of-the-art equipment to enhance their projects.