Bridge buffer function

- Jul 17, 2018-

The length of the tie rod is positioned by the polyurethane compression spring to effectively control the maximum slit width. The telescopic device has the characteristics of reliable force, uniform expansion, maintenance and maintenance, and is superior to other straight beam type telescopic devices. At present, Chongqing Xinhe Plastic and Chongqing Linghui Polyurethane produce such products in the domestic market.