24 wind-resistant keel umbrella bones are made of cheap materials and are designed with aviation alloy skeletons, which is more durable than ordinary umbrella skeletons. The resistance to strong winds is constant, and the resistance to storms is not awkward. Sunny and rainy dual-purpose block ultraviolet rays ≥99%° thickened vinyl coating, through three high-temperature crosslinked baking processes, forming L.R.C sunscreen polymerization. The coating has the 。
The new alloy material makes the umbrella bone lighter and harder. Don't be afraid of strong winds! 10 times pressureresistant carbon steel alloy skeleton is harder and super wind-resistant。Strength rain resistance, high efficiency and water pressure resistance, comprehensive waterproof and leakproof, the surface of the composite umbrella cloth has antilotus leaf water resistance effect, high efficiency and water pressure resistance。
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