1. ABS engineering plastic injection processing, or PP plastic, high and low temperature deformation, add uv resistant raw materials. Anti-aging, good performance, long service life, strict sealing, flexible opening, equipped with bird net.
2. Double row of stainless steel spring to ensure that the side wind window sealed well, more durable.
3. Adopt double pulley guide design to adjust the damper, effectively reduce resistance and enhance the service life of the rope.
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