Vietnam owns high technology in the field of mechanical engineering
For the first time, Vietnam has built its own 90-meter jack-up rig. This is a high-tech type and most stages in the manufacturing process are owned by Vietnamese.Crush garbage into ... money
Nguyen Quoc Tuan, a 32-year-old mechanic in Lac Tanh town (Tánh Linh) has tinkered, built a screening machine, and crushed it to make fertilizer.