RD Process

With nearly 40 years of knowledge and experiences, We believe peoples' enthusiasm for the pursuit of new and better things will never cease.

RD Process

Professional R&D team and mold development capabilities

Day Sun has independent R&D teams and expertise in Taiwan. Through market research and studies, we provide a variety of trendy and multifunctional eyewear designs. Our glasses not only offer essential protective functions but also prioritize aesthetics, comfort, and practicality. Whether indoors or outdoors, they can effectively protect the user's eyes and enhance their confidence and sense of safety during work or sports activities.
Our glasses not only feature high-quality lenses, frames, and nose pads but also equip with comfortable, non-slip temple arms and adjustable nose pads. We also offer a variety of lens options, such as bifocal lenses, polarized lenses, and photochromic lenses, catering to different environmental needs throughout the day, providing comprehensive eye protection.
As professional manufacturer with high standard ODM/ OEM service, DAYSUN can help you to enable your innovative design and development process in order to realize your objectives.
Demand Analysis
Clearly understand your objectives and product specification requirements, we collect information and do analysis, including functional requirements, quality performance, appearance requirements, cost objectives, etc.
Concept Design
At conceptual design stage, the concept is generated from a number of design proposals after initial evaluation and selection. We provide professional technique and suggestion to help you choose the best solution.
Technical Assessment
To shorten the product development schedule, we conduct a technical evaluation on each concept design, including feasibility analysis, technical risk assessment, and cost analysis. This helps determine which solution is most suitable and effectively.
Engineering Design
After the conceptual design is determined, our R&D team will further design and implement various functions. We will use CAD software for 3D modeling and design documentation, including detailed component design, complete design drawings, engineering specification structural analysis, material selection and supply chain planning.
We provide complete prototype manufacturing equipment, and once the engineering design is completed, we will make prototype based on the design documents. Prototype is used to verify the appearance, functionality and performance of the product. As needed, we can make multiple prototypes for testing and improvement.
Test Evaluation
Test and evaluate prototype to ensure it meets your requirements and relevant standards to verify product functionality, appearance and performance. In this way, we can consolidate product quality and performance meet expectations.
Revision and Optimization
We conduct modifications and optimizations according to the results of verification and testing. This may involve redesign, material replacement, or process improvements.
Mold design & Mold validation
The mold stage requires precise processing equipment and process control. The completed mold gets through a number of trials. Besides, precision measuring instruments are used to check the size, appearance, surface quality, structural integrity, etc. so as to ensure that the mold meets acceptance of relevant quality standards and specifications.
Processing Technology
Post-processing of injection parts is performed to meet design requirements and improve their quality and appearance. Grinding and sanding are important steps in the frame/ temple. Using different grinding tools and abrasives, the frame/ temple are precisely ground and sanded to remove surface unevenness, gate and ejector pin imperfections, and achieve a smooth and refined appearance.
Product Inspection and Customer Acceptance
Inspection reports prepared, record the inspection process in detail, and conduct final product acceptance procedures with you.
Production and Delivery
According to the production plan, mass production begins and the final product is delivered.

Best Sale

Flashlight and Eyewear Manufacturer - DAY SUN

Located in Taiwan, Day Sun Industrial Corp. has been one of the prime flashlight and eyewear manufacturers since 1975.

DAY SUN provides ANSI / CE standard safety glasses such as safety goggles, sport eyewear, optical safety eyewear, ballistic eyewear, reading glasses, etc. UL and CSA certified flashlights, including anti-explosion flashlights, fire flashlights, industrial flashlights, diving flashlights, outdoor flashlights, etc.

Specialized in various mirror coating anti-fog and anti-scratch treatment in the flashlight and eyewear manufacturing industry, both with advanced technology and 30 years of experience, DAY SUN ensures each customer's needs are met.

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