• The Asian economy shows resilience amid tariffs and uncertainty

    2025-11-14

    According to the latest article from the International Monetary Fund, despite facing multiple challenges such as high tariffs, weakened external demand, and policy uncertainty, Asian economies have shown resilience beyond expectations. This resilience is attributed to export-oriented strategies, technological investment, and policy support. To maintain strong and sustainable growth in the future, Asian countries urgently need to promote a transformation of their economic structures towards domes

 

  • Briefly describe the engine piston and its lubrication

    2025-10-10

    The engine piston mainly consists of three parts: the piston crown, the piston head, and the piston skirt. The piston crown and the cylinder wall form the engine's combustion chamber, where the fuel-air mixture burns to push the piston downwards. The piston crown must endure high temperatures and pressures, with temperatures generally reaching 300-400°C and gas pressures up to 3-5 MPa for petrol engines and 6-9 MPa for diesel engines.