Suzhou Ultimate Sealing Technology Co.,Ltd. Seal is regarded as a specialist in the rubber parts field. As one of Ultimate's multiple product series, ED ring series enjoy a relatively high recognition in the market. This product is not vulnerable to moisture. It has been treated with some damp-proof agents, making it not easily affected by the water conditions. Its light diffuser plate helps to restrain certain UV radiation and prevents the light from scatting too wide, thus, it can protect users from the visual discomfort and other damage to the eyes.
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