This product is manufactured by only one factory in China. It is a patent product. It has been exported to Australia more than 100000 PCS per year. So you can be assured of product quality.

It is an innovative device that fits right, left and centre-opening doors!
Features:
1. Quick, easy to install
2. Adjustable closing speed
3. Hold- open switch
4. Maintenance free
5. 12-month warranty

Fits to new and existing doors such as:
Sliding glass doors
Sliding security doors
Sliding flyscreen doors

The basic details as below:
1. Size of door closer: 122.5X50.5X49.3 mm
2. Strength of closing: 600~620 N
3. Diameter of steel wire: 0.8 mm
4. Max distance of closing: 1.45m
5. Applicable to doors with max. Weight of 28kg and max. Size of 2X0.85m
6. Hold open: Option
7. The closing speed can be adjusted to two valves
8. Passed durability test for 300,000 usage times
9. The speed of shutdown and lockup is adjustable
10. Cycles: ??25000