Tong Lung Metal Industry Co., Ltd.

Variety of locksets, overhead door closers

Tong Lung Metal Industry Co., Ltd., Taiwan's No.1 lock maker, is promoting a family of overhead door closers, which comes in standard-arm type and parallel-arm type. By power size classified based on the British EN 1154 standard, these closers come in grade one to grade five.

This family is non-handed type and comes with hold-open function, which keeps door open when the door is opened to 85 degree in angle unless it is pushed to close again. The closers are equipped with adjustable latching and sweep speed valve.

The closers are certified with ANSI/BHMA A156.4 Grade 3 approval and are UL qualified, attesting to its good quality in fire resistance.

Tong Lung puts out a wide range of lock products covering tubular lockset, cylindrical lockset, deadbolt lockset, door closer, mortise lockset, handleset, commercial lock, residential lock, electronic lock, door accessories, finish description, keypad lock and door hardware.