Air Bag Dock Leveler

1.Adopting principle of low-pressure high-volume inflation,rising leveler safely and quickly by expansion of air bag. 2.Air bag is worm-proof,mouse-proof and erosion-proof of common chemicals treatment,firm and durable. 3.Air bag is made in U.S.A,adapting to bad environment of cold and wet(-50c/+60c),equipped with air filtering net,protecting bag.make use of more than 300,000 times. 4.Product surface is teated by send blasting,acid washing,phosphorization and 5 times backing varnish ,super rust-proof and wear-resistant ,perment new.