Equipped with 50KG, 25,000 times of opening and closing tests, the transmission is still smooth and the product is durable.
After 25,000 tests, the window sash was opened to 90°, 50KG was added to the upper corner of the fan to hang for 6 minutes, the added 50KG was removed, and the window sash was checked for obvious tilt
+86 769 86485868
Email：Neil@dgstaforce.com
Address Factory One：No.3 Estern Nange,Daojiao Town,Dongguan,China
Address No. 2 Factory：
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