we specialist in manufacturing door viewer , door handle and other kinds of door hardware .

we specialist in manufacturing door viewer , door handle and  other kinds of door hardware .

ODM and OEM are all accepted.

we carry out CE and UL certificaion.

material can be used with brass and zine.

different color can be finished according to customer.

B-201G4 have 200degree ,fit the door 0-20mm,with 4 glass which with the function of fire proof.