1. Fill the specification and direction to purchase correctly.
2. If possible, use a manufacturing request form of our company when you place an order.
3. For complex shape or special type, be sure to place an order by fax or visit us with related drawings.
4. For other information, please refer to data of our website.

2. The items to be clear

1. Direction of door to open (location of knob or hinge)
2. External diameter or internal diameter of door frame or standard of door
3. For double side open door, the existence of doorlock of fixed door and the direction of using door and fixed door
4. All standards are used in mm unit.