Δ Closing speed and latching speed adjustable,BC or DA function optional. Δ High quality aluminum body with silver painting,or variety colors available. Δ Different installation methods to make different closing power sizes. Δ Anti-freezing oil and seal rings passed the certification of BIS,IAF,ANAB,keep perfect working in any condition.
Δ Special components through heat treatment to improved it's hardness.
FAQ
1.
What is the warranty time
Answer:Warranty time is usually 1 year,some parts is 2,3 or 5 years,counted from the arrival time on your site;