Type of door, which can be divided into 2 types:
1.1. passage doors that have only a handle and no locking is required, such as public toilet doors.
1.2. a privacy door that can be locked by a button on the inside and unlocked using a key, such as a house door, bedroom door.
2. locking system of the door - the fixed handle, in general, is no locking like adjustable handles. If the user requires the room to be locked, he has to install the locking system separately.
3. Door thickness is one thing to note. In general, door thickness is between 32 – 50 mm. but some doors, such as those in production lines, might have thickeners to maintain the temperature. So, this should be considered before buying.
4. Environments such as exterior doors should use strong, good color coating handles. Or the door in the humidity production line should use a handle made from stainless steel.