Established 2013, Shenzhen Keja Optoelectronic Co.Ltd is engaged in design, production and sell of screen protector for mobile electronic devices. Our main strength is tempered glass and soft film like PET, TPU, PMMA.


  • Keja worked out a TG screen protector applicator

    Keja worked out a TG screen protector applicator. It possibly entirely solves end users’ difficult,especially when operation on pad/tablet. This screen protector applicator adopts special design. The screen is built inside of applicator,  when the applicator is put on screen display. The air will...

  • Iphone13, full series of size screen protector launched.

    Due to Keja’s power in data sourcing and product development, Kejas’ initial shipment of screen protector for iPhone13 to all customers got 100% matching real iPhone13. Congratulation!   We have confidence in our data for iPhone13, so we make full preparation for huge-quantity order from our cust...

  • The new Xiaomi 11T/11T Pro will be released in September, which possibly corresponds to the China domestic Redmi K40S

    According to Weibo blogger @WHYLAB, Xiaomi’s upcoming Xiaomi 11T Pro 5G mobile phone has obtained Thailand’s NTBC certification. This product, codenamed 2107113SG, is expected to be released overseas in September, and the price is expected to be US$600 (approximately 3900 yuan). The current leake...

  • How can we simply distinguish the advantages and disadvantages of the tempered glass screen protector?

    At present, there are many types of tempered glass screen protector products on the market, and mobile phone users are easily dazzled when shopping. How can we simply distinguish the advantages and disadvantages of tempered glass screen protector? 1. Dripping water. The surface of a high-quality ...

  • Event?CTIS? 3JN32.

    CTIS is largest exhibition themed mobile device and its peripherals products in 2021. KEJA rent ?a booth of 36 square meters. Booth No.:? 3JN32,? Hall N3. Let us meet here.


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