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Danyang Chanxin Glasses Cases Factory is a leading manufacturer established in 2010, specializing in optical cases, contact lens kits, and accessories. With annual production exceeding 2 million optical cases, 1.5 million contact lens kits, and 6 million dual cases, it serves global markets. The company emphasizes quality and reliability, offering OEM/ODM services and exporting to Europe, Asia, and the Americas.