Shanghai Tongguan Hardware CO., LTD

We are a professional manufacturer of hardware and accessories with ?opone?brand.
Ranging from
door locks, door closer, floor hinge, fireproof door lock, our products has reached to above 20 countries and regions in Southeast Asia, Europe, America.
With good quality controll system inside, we get ISO 9002. Our panic exit device has passed UL
3-hour fire-rated.