Adjusting concealed floor spring / double cylinder hydraulic floor hinge/double action door closer(DL-730) Quality Choice

1.Draw lines and make floor spring pivot center and door-nip pivot coincide with each other.

2.Drill holes on the floor according to the instructions. The sizes of the holes must tightly match the floor spring.

3.Place the floor spring into the holes and position it.

4.Raise the door leaf installed with door-nip, and insert the floor spring pivot into the hole of the door leaf.

5.Adjust the screws at three directions. Make them vertical and the upper and lower pivot center coincide with each other.  

6.Adjust the speed of door closing.

7.Put the decoration cover on the floor spring.

Q1.What material do you have? 

SS304/SS201/SS316

Q2.Can you provide sample for us? 

Yes, free sample is available   

Q3. How do you ensure quality control?    

we ensure the quality control by 2 steps: 1)after finish, our workers will check it one by one. 2)our package department will check before they pack.

Q4.How do you ship the goods to us?

We have the forwarder cooperated with us for 2 years, they can deliver the goods to you in very short time with competitive price,and you can ship by your own agent as your convinence.

Q5.Which country is your main market now?

Mid-East, North Africa, West Africa, South-east Asia, South America and Northern Europe district. Especially, a firm customer base in Saudi, Morocco, Nigeria, India, Bangladesh, and Russia etc.

Q6. Can you do the full set of handrails for us?
yes we can, our engineer will check your project drawings to make sure its accuracy for each different fittings and quantity.

Q7. How about your delivery time ? 
15-20 days for Pipe. 25-30 days for handrail fittings .

Q8.how about your payment terms?

 T/T,L/C,D/P.