HONGMAO delivers high-performance graphic overlays engineered for reliability in harsh environments. Our overlays use polycarbonate/polyester substrates, 3M adhesives, and UV-cured inks to resist abrasion, chemicals, and temperature extremes (-40°C–130°C). Customizable with embossing, anti-glare finishes, and RFID compatibility, they are ideal for control panels, medical devices, and IoT equipment. Backed by ISO 9001 certification and 15+ years of expertise, we offer fast prototyping, bulk production, and global logistics support. Partner with HONGMAO for overlays that combine precision, compliance, and cost efficiency.
We are a professional manufacturing and design company for membrane switches, metal domes, light guide sheets and die-cutting products, founded in 2009. We have over 14 years of experience in this industry and are based on technology.
It is our pride to have factories and R&D centers that we own hence; we always adhere to the development philosophy of people-oriented, technology, quality first, service first. Our quality control system adheres to ISO9001 and we utilize support equipment that meets international advanced standards.
Provided we keep improving quality, innovation always continuing as well as customer centric approach, our customers will be happy with us and their expectations met well beyond what they had thought
Guozi tablet ,also known as metal dome, are widely used in bank POS machines and cash machine buttons. With an operating force of at least 100gf and a quick rebound upon pressing, these buttons provide a precise and comfortable user experience. We has developed special function Guozi tablet buttons to enhance the accuracy of the button and the surface cover, resulting in an improved customer experience in terms of feel, value, and comfort.
Medical FPC membrane switch is an innovative control interface specially developed for the medical field. This membrane switch uses cutting-edge flexible printed circuit (FPC) technology to ensure unparalleled flexibility and adaptability.Its excellent durability and flexibility ensure reliable and precise control functions of medical equipment. In addition, the FPC structure is easy to clean and disinfect, meeting the stringent hygiene requirements of medical environments.
With their slim profile and tactile feedback, membrane switches offer a sleek and modern aesthetic to complement any vehicle interior. They can be easily integrated into complex electronic systems, providing drivers with intuitive and responsive control of key functions such as climate control, audio, and navigation. Overall, the use of membrane switches in automotive applications helps to enhance safety, convenience, and comfort for drivers and passengers alike.
A: We use polycarbonate, polyester, or PET films with UV-resistant inks and 3M adhesives for durability in harsh conditions.
A: Yes, we tailor overlays with features like EMI shielding, anti-microbial coatings, or IP67 sealing for medical, automotive, and industrial applications.
A: All overlays meet ISO, UL, REACH, and RoHS standards. Documentation is provided upon request.
A: Prototypes are delivered within 5–7 days after design approval.
A: Yes, we integrate LED/EL backlighting and transparent zones for display visibility.
A: Our ISO-certified facility conducts batch testing for adhesion, thermal resistance, and lifespan (1M+ cycles).