- This product is a kind of double-open floor hinge and is applicable for aluminum door, steel door and toughened glass door.

- Key parts of the main unit are made of quality low alloy steel after quenching and tempering as well as precise grinding; the internal part is filled with quality hydraulic anti-frozen machine oil, thus assuring the unit runs smoothly and flexibly under different temperature.

- Precise pointing close performance make the door smoothly and accurately position at zero no matter which direction the door is open.

- The max angle of door reaches 116?,the door will automatically and accurately position when it is opened at 90?.

- Double speed adjustment, the close speed at 116?-25? and 25?-0? for dual steeples speed adjusting, users may set satisfied effect at will.

- Pass 300,000 times of running test, examined by national quality inspection authority, the product is proven to meet QB/T3884-1999 standard.

- Built-in relieve value, prevent damaging the main unit and oil leakage caused by shutting the door by strong pressure or wind.

- Unique design, advanced technology, make you enjoy convenient, practical and outstanding effect when using the product.