ZI-HE CO., LTD. is a professional manufacturer of shock absorbers. We have a Research & Development and Testing Team. Our team researches and tests absorbers for kinds of road conditions. Our company has developed a brand new suspension system which provides the best operation and comfort functions for automobiles. DGR brand shock absorbers have 30 levels of dampers and the height is adjustable. The damping setting range is extremely broad. Adjustable height lets you adjust the ride ...