The company is a production of corn, wheat seeder professional manufacturers, relying on strict management, high quality requirements and reputation, excellent after-sales service, and constantly develop the agricultural machinery city acrylic casting airport. Bold practice, continuous innovation, to "self-propelled ploughing machine" as the representative, developed more than 30 different types of agricultural machinery new products. He has won more than ten first prizes for scientific and technological achievements." Floating ground wheel drive device of grain seeder "wheel self-propelled ploughing machine" has filled the blank in China. Small Combination Corn Soybean Planter "was filled with a patent. The institute has repeatedly been rated as the city's first copper casting technology group, director Zhang Zhongshen has also been repeatedly rated as the city's advanced individual. The annual output value is more than 5 million yuan, and the profits and taxes are more than 1 million yuan. At present, electric car chargers on the market are all charging when the car stops. This electric car undervoltage quick charging technology developed by us is charging when the electric car is walking. Problem: Electric vehicles are required to charge quickly during walking, so that the charging time can be between 15 and 30 minutes, which will not damage the battery performance, but also achieve fast charging.