PVC material is not silicone material, they are two different materials. The full name of PVC is Polyvinylchloride, and the main ingredient is Polyvinyl chloride. PVC is an amorphous white powder with...
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Starbucks recently re-entered the public eyes with a popular cat claw cup. This cat paw cup is a transparent glass with double-layer and hollow design. After pouring the milk into the cup, the inner p...
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