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SGS Certificate 

Own Appearance Design Patent Certificate

Product Description：

A、cylinder: seamless steel pipe20#, Φ 15*1mm

B、piston rod: steel 45#, Φ 6mm

C、piston: brassH62, 

D、sealing parts: O-ring fluoro rubber, 

E、end fittings: PA66, 

F、gas: nitrogen,  

G、aircraft hydraulic oil ( still work well below 58°)

Features：

A、upward opening, two stay

    stay 1:  up-opening to 30°,the door lift up gently by itself. 
    stay 2:  the door slow down to completely opening when the angle ups to 80°。

B、closing: down-closing to 50°，the door full close by itself

Product Advantages:

A、Pass SGS test over 100,000times, attenuation less than 10% after 100,000cycles
B、Finish: metallic paint, scratch resistance, NSS 8grade/48h 
C、aluminum frame and glass door is achieved

Product Parameters：

A、Application: for all up-opening door, still work well between -50°~ 80°

B、Installation conditions:

   a、different choice according to the door weight and door height
   b、over 600cm * 400cm, paired using is the best

Others (Packing and services)：

Package: 10pcs/inner box，100pcs/box, N.W/G.W: 20kgs/20.5kgs 
MEAS: 34.5cm * 33.2cm * 29.5cm,                              
Delivery Date: Normally in one month         
MOQ:  3000pcs
Samples Preparation: samples can be sent in 3 working days (DHL 3-5days，UPS3-5days，Fedex/TNT 3-5days，EMS 7days reach destination )