The hydraulic damping hinge and the slide rail have the potential to replace the ordinary hinge and the slide rail, the damping buffering technology of the hydraulic hardware industry and the core of the product are sealing technology. Although the hinges and slides of the domestic industry has begun to take shape, but most of the domestic hydraulic damping hinge and buffer rails suppliers for sealing technology, the production process does not pass, not their own intellectual property and not a large-scale promotion. At the same time, the well-known foreign manufacturers and Brand Company are still actively looking for China's high-end sealing technology and hydraulic hardware products, in a large number of pre wait state.