Laptop rotating shaft, is a very key vulnerable parts, directly affect the product quality and brand reputation. As a professional research AND development of laptop shaft (hinge), Huyea Science and technology, scientific use of systematic shaft (hinge) cutting-edge technology, broke the limit of rotation life, reached 200,000 times to the superior level, to solve the notebook computer one of the biggest difficulties and pain points. Huyea  has achieved a double breakthrough of damping and durability in the solution of random and free stop of ultra-thin notebook computers.