Precision Mold Making & Injection Expert
Over 20 years of experience · ISO certified · Trusted by Fortune 500 clients
We provide high-quality components such as automotive parts, LED lighting accessories, optical modules, Bluetooth earphone parts, headsets, wearable device components, dual-color keyboards, magnetic connectors, and e-cigarette parts — all produced with precision and strict quality control.
With over 20 years of experience, our team integrates advanced equipment and mold management expertise to deliver customized solutions in mold design and injection molding, ensuring accuracy, consistency, and innovation across every project.
From design to production, we offer professional technical support, competitive pricing, and responsive service. Our ISO-certified systems and customer-focused approach have earned the trust of over 30 companies, including Fortune 500 clients.
From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
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From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
View More
From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
View More
From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
View More
From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
View More
From concept to production, we provide tailored mold and injection solutions to meet your unique design, material, and performance needs — across multiple industries.
View More
Dongguan Ra&Sun Optics Elector Co., Ltd., a subsidiary of Tianyi Technology, is a high-tech enterprise specializing in precision mold design, manufacturing, and injection molding. With over 20 years of industry experience, we have invested USD 5 million in advanced equipment, supporting a monthly mold production capacity of around 30 sets, with maximum mold dimensions up to 500mm × 500mm.
Our customer base covers diverse industries including automotive, LED lighting, optics, wearable technology, and consumer electronics. We are trusted by over 30 companies, including Fortune 500 brands. With ISO 9001, ISO 14001, and ISO 45001 certifications, we consistently deliver high-quality products, reliable technical support, and competitive solutions.
Today, our molds and products are exported to Europe (Germany, Poland) and Asia (Japan, South Korea), earning recognition from global customers.
