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What items need to be checked when buying a sunny umbrella?

1. Switch performance check. When you have an umbrella in hand, you must first open the umbrella flexibly. Once it is opened to the top, it will not be blocked and will not fall. When closing the umbrella, it is easy to close it. The umbrella rib closure ring on the umbrella handle (rod) should be freely retracted and locked against the umbrella rib head. The switch parts do not fail or fall off. When using an automatic umbrella, the buttons must not be activated by themselves. The self-opening speed should be fast but not violent, even and powerful. The pulling force should not be too heavy when retracting.


2. Umbrella inspection. The cloth umbrella is made of special umbrella cloth with twill weave, which is flat and tight, no leakage in heavy rain, no pollution, no holes, and no yarn skipping. The stitches are uniform and fine, the color is consistent, and the pattern and stripe are similar. The surface of the nylon cloth umbrella should be coated with a layer of rain-proof resin glue, which will not leak during heavy rain, and there should be no obvious weaving defects and leakage of pulp, and there should be no star-permeable light. When the umbrella surface is opened, the shape of the umbrella should be full and beautiful, and should not be in the shape of a "pot and dish" or "deep bowl".
3. Umbrella bone inspection. Umbrella rib should not be easy to rust, elastic, soft and hard to the touch, should be close to the umbrella pole after being retracted, and the nail connection should be flexible and moderate, smooth without thorns.
4. Check other parts. The umbrella rod should be round and bright, without burrs, without shelling, desoldering, cracking and other abnormal shapes. The end face of the exposed tip should be flat but not sharp, smooth and without holes. The handle of the umbrella should be beautiful in shape, firm and immobile, and the handle should be comfortable. In addition, after opening the umbrella, the shaking should not cause the joints to feel loose or fluttering.

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