Aluminum castings refer to equipment and components made of pure aluminum or aluminum alloys obtained by casting. Generally, sand molds or metal molds are used to pour heated liquid aluminum or aluminum alloy into the mold cavity, and the obtained aluminum parts or aluminum alloy parts of various shapes.

Lightweight technology of automobile lightweight engine blockIn order to reduce fuel consumption and carbon dioxide emissions, vehicle lightweight has become one of the focuses of public attention.

According to the Malay Mail, Malaysian Prime Minister Muhyiddin announced on the 10th that due to the increase in the number of new coronary pneumonia cases, the country will implement a nationwide blockade from May 12 to June 7. Except for emergencies, no cross-regional or cross-country operations