... -and-down movement, the upper platform moves toward 6 dofs, X, Y, Z, α, β, γ, to simulate the real world.Actually, besides ... Dynamic Seat, based on our 10-yeah-old skillful hydraulic technology, is cinema seat designed to produce various combined sensation ... area of Yunfa under companies, Zhende Hardware Products Co. Ltd and Yunhao Hardware Products Co. Ltd, covers 5000 square meters in Guangzhou, and ...