The world's first "bumped" electric car d…

On September 11th, local time, a "bumped" electric car debuted in San Francisco. The electric vehicle is the world's first electric vehicle using gyro stabilizer technology. When the gyroscope rotates at high speed, its axis of rotation remains stable due to inertia, and at t-----

Cold area special oil - become a "good star" …

In the northern part of October, the temperature continued to drop, but the sale of special oil in the cold area was extremely hot. In just over a month's time, it submitted a satisfactory answer sheet to customers and the company, becoming a well-deserved "Star of the Dragon" -----