Model Number: HSD 33B Brand Name: HUISDA , LANGN Key Specifications/Special Features: * Built-in decompressing valve to prevent damage of itself or the door in case of extreme exterior pressure or door closing in strong wind* For0 to 180° full hydraulic control with two sections for controlling the closing speed individually, closing door section 180-20°, closing lock section 20°* With a constant temperature fitting, can keep a steady closing speed on the change of the difference in temperature* High quality alloy die-cast body, safe and durable, protected by three layers bright paint, prevent oxidation* With auto-fitting, suitable for left or right hand door, have the equipment which can stop at any point* Surface colors: sliver, golden, black or custom-made* Passed 4000,000 times opening-closing test

Shipping Information:

• FOB Port: China (Mainland)
• Lead Time: 10 - 30 days

Main Export Markets:

• Asia
• Australasia
• Central/South America
• Eastern Europe
• Mid East/Africa
• North America
• Western Europe