1,door stopper feature

1).Finish: sliver,white,black,gold

2).material:high quality aluminium alloy 3).two section adjustable speed 4).500000 times tested without damage, 7 years warranty.

5)Germany machine oil and sealed rings,keep prefect working in cold temperature.

2,quality control: our QC department is responsible for products have passed full inspection before shipment.these tests can prevent our defective products from entering the market,and can also check if there is leaking under  high temperature and high pressure,which ensures the oil leaking stay below the lowest level .

3,products advantages:

1)the competitive price,as we are middle type factory,our EXW price is quite cheap.

2)good quality with 15 years experience in door control line.

3)quality control~our defective products rate is 0.01%.

4)adequate supply capacity,punctual delivery time.

5)best after sales service are provided.

Door Closers