The 13th Sound Insulation Installation Technology Competition of Damark, the independent brand of Jirui Acoustic, was held in Changchun, Jilin Province, aiming to improve the construction standards of the sound insulation industry, promote industry innovation and promote technical exchanges across the country.
The competition attracted a number of local auto aftermarket shops and construction technicians to participate. Through the form of open competition, let the on-site car friends close contact and understand the material collocation, construction steps and effects of four-door sound insulation.
Before the start of the competition, Mr. Liu Baoquan, technical director of Jirui Acoustics, as the chief judge of the competition, first explained the competition rules carefully to all the competitors, and arranged for the players to receive a full set of competition tools such as car clothes, barley mute materials, and construction tools in an orderly manner.
Before construction, the competitors put on protective clothing for the construction vehicles. Then construction is carried out according to the vehicle type.
At the end of the competition, the chief judge will score on the spot, and the winner will be awarded on the spot.
The four-door sound insulation can effectively strengthen the body sheet metal, restrain the vibration of sheet metal, improve the door sealing, reduce wind noise and improve the sound quality of the original car.
