
About Us
Founded in 2015, Dongguan Zhenghong Optical Materials Co., Ltd. emerged with a clear mission: to provide premium, reliable protection for the essential digital devices that power modern life. Recognizing the vulnerability of screens and surfaces to scratches, impacts, and daily wear, we focused our expertise on crafting high-quality screen protectors for iPhones, iPads, laptops, and computer monitors.
Driven by innovation and customer feedback, we rapidly expanded our portfolio. Understanding the critical need for clear mobile photography, we introduced specialized protective films for mobile phone lenses. As wearable technology surged in popularity, we became pioneers in designing sleek, durable protective cases for smartwatches, ensuring these valuable devices stayed safe during active lifestyles.
Our success stems from an unwavering commitment to precision engineering, utilizing advanced materials like tempered glass, military-grade polymers, and anti-glare coatings. Rigorous quality control and responsive customer service are cornerstones of our operation. From a dedicated startup, Zhenghong has grown into a globally recognized brand, trusted by millions to safeguard their valuable electronics seamlessly and effectively. We remain passionately focused on anticipating needs and delivering cutting-edge protection solutions for an ever-evolving digital landscape.
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Located in Dalang Town, Dongguan City, Guangdong Province, China, the Dongguan Zhenghong Optical Materials Co., Ltd. stands as the cornerstone of our global operations. Spanning approximately 8,000 square meters, this state-of-the-art facility is where cutting-edge design meets meticulous production.
Our dedicated workforce of around 200 skilled professionals operates advanced machinery, including precision cutting equipment, automated optical inspection (AOI) systems, SMT lines for electronic components (for smart cases), and clean rooms essential for dust-free application film production. We specialize in manufacturing our core product lines: high-clarity screen protectors for iPhones, iPads, and computers; ultra-thin, scratch-resistant protective films for mobile phone lenses; and durable, stylish protective cases for various smartwatch models.
Rigorous quality control procedures are embedded at every stage, from raw material inspection (utilizing premium tempered glass and impact-resistant polymers) to final packaging. We leverage lean manufacturing principles and integrated ERP systems to ensure efficiency and traceability. The facility's strategic location in Dongguan, the heart of China's electronics manufacturing, provides unparalleled access to supply chains and logistics networks. Committed to both excellence and sustainability, our Dalang factory embodies Zhenghong's promise: delivering superior protection through precision engineering and responsible manufacturing.
Production Equipment
Cutting Equipment
Laser Cutting Machine
CNC Die-Cutting Machine
Rotary Die-Cutting Machine
01
Coating Equipment
Precision Coating Machine
UV Curing Machine
Plasma Treatment Machine
02
Cleaning & Inspection Equipment
Ultrasonic Cleaning Machine
(AOI) Automated Optical Inspection
Light Transmittance Tester
03
Lamination & Packaging Equipment
Vacuum Lamination Machine
Automatic Film Applicator
Packaging Machine
04
Auxiliary Equipment
Slitting Machine
Punching Machine
Dust Removal System
05
Production Market
Zhenghong Optical products protect devices across 50+ countries, with core markets in North America, Europe (EMEA), and Asia-Pacific (Japan, South Korea, Australia). Our premium screen protectors and smartwatch cases dominate e-commerce platforms (Amazon), while retail partnerships with electronics chains like Best Buy and Bic Camera drive offline growth.
Strategic expansion into Southeast Asia (Lazada, Shopee) and corporate B2B channels (device insurers, telecom providers) fueled a 30% YoY revenue surge in 2024. E-commerce sales alone jumped 45%, attributed to localized marketing and patented anti-bubble installation tech. With a 92% customer retention rate, we lead through quality, accessibility, and relentless innovation.

Our Service
01
Pre-Sale Support
Our expert team provides personalized recommendations to help you choose the perfect screen protector for your device, ensuring compatibility and optimal protection.
02
In-Sale Excellence
We use high-quality materials, precision laser cutting, and advanced coatings (anti-scratch, anti-fingerprint, and bubble-free) for superior durability and clarity. Custom sizes and designs available.
03
After-Sale Care
Enjoy worry-free service with a responsive support team, hassle-free replacements for defective products, and warranty coverage. Your satisfaction is our priority. Trust our professional OEM/ODM solutions for bulk orders.



