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Keja Optoelectronic Co., Ltd. is a trusted manufacturer of high-performance screen protectors for smartphones, tablets, and automotive displays. With over 300 million units produced monthly and ISO-certified quality control, we deliver durability, clarity, and precision fit — directly from factory to customer.
A leading innovator in optoelectronic protection solutions, Keja combines advanced manufacturing with global export expertise.
Keja Optoelectronic Co., Ltd. operates a state-of-the-art 15,000 M² factory in Shenzhen, China, featuring a 2,000 M² dust-free workshop with raised flooring to ensure contamination-free production. With over 300 skilled professionals, we maintain a monthly output of more than 300 million screen protectors.
Our products are engineered for precision compatibility with leading devices including iPhone, Samsung Galaxy, Tesla Model 3, and Huawei series. From R&D to packaging, every step is optimized for quality, durability, and ease of installation.
We combine innovation, scale, and quality to deliver unmatched value.
One of the largest dedicated screen protector manufacturing facilities in China, ensuring consistent supply and scalability.
Compliant with ISO9001, ISO13485, and CE standards, guaranteeing product safety, reliability, and consistent quality.
Laser-cut accuracy ensures perfect alignment with device cameras, sensors, and buttons for seamless integration.
Dedicated sales and technical team ready to assist with inquiries, customization, and bulk order support.
From everyday protection to advanced privacy and anti-glare solutions.
9H refers to the pencil hardness test, indicating the screen protector can resist scratches from sharp objects like keys and knives. It’s the highest level of scratch resistance available for tempered glass.
Yes, all Keja screen protectors are designed to be case-friendly, ensuring seamless fit with most OEM and third-party cases without lifting or bubbling.
Yes, we provide full OEM/ODM services including custom packaging, branding, and product design. Contact us for bulk order inquiries and partnership opportunities.
Each product comes with a detailed installation kit including cleaning wipes, dust remover, and alignment frame. Follow the included instructions for a perfect, bubble-free application.
For inquiries, bulk orders, or OEM/ODM collaboration, reach out to our team directly.
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