The preservation and repair of your investment serves not only to beautify but as preventative maintenance. In addition to regaining that ‘black as night’ look, sealcoating shields asphalt pavement from environmental damage such as oxidation and damaging oil or gasoline spills. Even though pavement has a relatively long life, it is a porous material and does allow for moisture entry if not properly sealed.
Shanghai Doan Machinery Technology Co.,Ltd. was established in 2008. We have focused on road machinery over 10 years. Our factory covers an area of more than 8000 square meters. After 10 years of development, Today, Doan is the most professional crack sealing machine manufacturer in China.
Till now, our products are selling well in all over the world including the United States, Canada, Italy, Turkey, German, Russia, Ukraine, Costa Rica, Norway, Australia, Argentina, Spain, Brazil, Thailand, Singapore, Hungary, Philippines, Columbia and so on.