Model Number: HSD 82 Brand Name: HUISDA , LANGN Key Specifications/Special Features: 1. Narrow stature design, ground trenching width needs only 78mm, reducing the width of the opening on the ground, reinforcing a sense of aesthetics after opening the ground2. This model can be opened 0-360°, especially for the door needs larger two-way opening angle or the door needs single open to 180 degree, otherwise the closing door power will bigger3. Has automatic positioning device at 90 degrees, when the one-way open to 110 degrees (110-255°) especially the arbitrary positioning device, can greatly improve the space utilization even has the door obstruction4. Has the unique exterior construction, making the installation adjustment (front, back, left right, height and low) faster5. Body can be adjusted in the vertical line of the door, adjustable length 6mm, width 6mm, height 3mm calibration, zero position longitudinally can adjustable ±2 degrees6. Has two section speed control closed valve, which can adjust the closing speed 90-25° and 25-0°7. Has thermostatic apparatus, can keep the door in steady closing speed even temperature variation8. Inside has decompression device, prevent external pressure or strong wind caused damage to the door or the spring9. Passed over 600,000 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