The market for Capacitive Touch Overlays has evolved from simple consumer interfaces into complex, high-reliability systems built to endure rigorous environments. As industries increasingly pivot toward digitalization and smart manufacturing, touch displays act as the vital bridge between human operations and mechanical precision. Today's industrial touch systems must deliver flawless haptic responses, extreme weather survivability, and complex multi-touch interactions under demanding constraints like chemical cleanings, gloved operations, and heavy electrical noise.
A key trend driving this shift is the deployment of Projected Capacitive (PCAP) overlays. Unlike traditional resistive interfaces, PCAP screens utilize cross-point micro-conductors configured within a grid structure on glass surfaces. The resulting field measures changes in electric charge caused by touch. This structure eliminates mechanical wear components, ensures exceptional clarity, and supports chemical strengthening treatments to protect critical systems.
Additionally, modern cleanrooms and specialized bonding factories have allowed manufacturers to offer customized optical bonding solutions (LOCA/OCA). These configurations merge the touch layer, liquid crystal displays (LCDs), and cover glass into a single refractive block. This process prevents internal condensation, improves outdoor legibility under direct sunlight, and bolsters vibration resistance in aerospace, maritime, and automotive systems.
One-size-fits-all hardware is no longer viable for industrial designers. Today, success requires high degrees of custom tailoring. Design parameters encompass customizable cover plate geometries, anti-fingerprint (AF) or anti-glare (AG) coatings, customized FPC cable layouts, custom firmware tuning for harsh conditions, and targeted electromagnetic compatibility (EMC) testing. By maintaining ISO-certified production environments, specialized touch screen manufacturers can deliver precise, application-ready solutions for global industrial and medical device configurations.
Available in Glass-on-Glass (G+G), Glass-Film-Film (G+F+F), and ultra-thin customized structures. Our cover plates undergo chemical strengthening (soda-lime or aluminosilicate) to achieve hardness levels exceeding 7H Mohs.
Leveraging high-tier IC chips (such as EETI, ILITEK, and FocalTech) coupled with custom firmware to suppress high-frequency electromagnetic interference (EMI) and power surge disruptions.
Advanced liquid optical bonding (LOCA) or dry optical bonding (OCA) eliminates air gaps, dramatically improving display contrast, light transmission, and shock resistance.
Fully functional from -30°C to +85°C. Features certified IP65 / IP67 ingress protection, ensuring water drop deflection, salt mist rejection, and multi-glove operability.
Founded in 2010 and located in Guangzhou, China, Guangzhou Xiangrui Optoelectronics Technology Co., Ltd. is a dedicated manufacturer specializing in the research, development, production, sales, and service of industrial resistive touch panels, capacitive touch panels, cover glass, and complete module bonding products. We provide highly customized production alongside OEM and ODM services to fit strict industrial requirements.
Operating a dedicated 3,000 square meter facility equipped with class 100, class 1,000, and class 10,000 cleanrooms, our plant handles sensitive bonding and assembly processes without environmental contamination. To guarantee reliable performance across industrial controls, medical systems, smart home interfaces, and security platforms, our production pipelines strictly adhere to ISO 9001:2015 and ISO 14001:2015 standards.
Guangzhou Xiangrui Optoelectronics focuses on the integration of new processes, raw materials, and custom technologies. Since our establishment, our engineering teams have prioritized technological innovation to maintain market competitiveness and drive steady corporate growth.
Our commitment to quality, on-time delivery, and technical partnership has allowed us to build long-term relationships with top-tier industrial firms and global manufacturers. Recognized as a official High-Tech Enterprise in Guangdong Province, we hold over 30 patents for utility models and technical inventions, reinforcing our capability to manage demanding custom development cycles.
We operate on the core principles of customer-centric development, integrity, innovation, and strict quality control. By maintaining deep collaborations with top-tier supply chain partners and display companies, we ensure high quality, performance consistency, and long-term product availability.
Our company is committed to the research, development, and application of advanced materials. Through structured manufacturing processes, we help customers realize dependable products in increasingly demanding settings. Our product portfolio spans screen sizes from small 1.54-inch wearables to large-format 15.6-inch displays, and custom systems engineered for long-term use.
We leverage our team's deep engineering expertise to solve complex mounting, bonding, and touch calibration challenges, helping partners bring reliable devices to market quickly and efficiently.
Our touch overlays are engineered to resist continuous vibrations, machine oil, and chemical cleaning agents. We provide IP65-sealed screens with custom glass substrates that prevent touch drift or false triggers from mechanical spray.
We design custom overlays supporting multiple layers of surgical latex or nitrile gloves. These panels feature chemical resistance to harsh medical sterilizers and comply with rigorous electrical isolation standards.
Featuring UV-resistant coatings, customized anti-glare (AG) or anti-reflective (AR) surface treatments, and optical bonding to maintain high visibility and stable thermal performance in direct sunlight.
Combining aesthetic cover designs with capacitive touch keys and high-definition optical clarity, these interfaces integrate seamlessly into modern, high-use appliances and automation consoles.
As HMI requirements evolve, we continue to invest in next-generation material science and electronic designs to stay ahead of market demands.
Developing updated controller profiles to ensure stable touch tracking in heavy outdoor rain or under pooling water droplets.
Integrating touch sensor pathways directly into the display panel layers, reducing overall weight, stack thickness, and assembly complexity.
Expanding manufacturing lines to produce curved and flexible capacitive touch sensors for ergonomic console controls and advanced automotive dashboards.
OCA (Optically Clear Adhesive, dry film) and LOCA (Liquid Optically Clear Adhesive, wet gel) are used to bond the cover glass to the touch sensor or LCD module. OCA is ideal for flat, high-volume runs, while LOCA works well for uneven surfaces, larger displays, or configurations requiring thick cover plates. Both options eliminate the air gap between layers, which reduces light reflection from 8% to under 0.5%, significantly boosting outdoor readability, preventing internal moisture condensation, and improving resistance to mechanical shock and vibration.
Yes. By utilizing advanced controller IC chips (such as EETI or ILITEK) and customized firmware tuning, we can adjust the sensitivity of the sensor array. This enables reliable touch detection through thick latex, nitrile, leather, or thermal gloves. During development, we calibrate sensor thresholds to balance touch sensitivity and noise rejection, preventing false inputs while ensuring ease of use.
We mitigate electrical noise through physical shielding and advanced signal processing. This includes incorporating ITO shielding layers, optimized FPC layouts, and controller chips with high Signal-to-Noise Ratios (SNR). Frequency-hopping and software filtering algorithms are implemented in firmware, allowing touch controllers to detect and bypass interference from nearby machinery, high-power cables, or wireless systems.
Our custom services cover cover plate thickness (ranging from 0.55mm to 10mm or more), chemical strengthening (soda-lime or durable aluminosilicate), custom shapes, beveled edges, and physical cutouts. We also apply high-performance optical coatings, including Anti-Glare (AG) to reduce reflections, Anti-Reflective (AR) to maximize transmission, and Anti-Fingerprint (AF) oleophobic layers for easy cleaning.
Guangzhou Xiangrui operates ISO 9001:2015 and ISO 14001:2015 certified facilities. Critical assembly and optical bonding processes are performed in cleanrooms class 100, 1,000, and 10,000. Every unit undergoes automated electrical validation, cosmetics inspection, and thermal cycle testing to ensure stability in harsh field environments.
Xiangrui Optoelectronics