Guangdong KST Optical Co., Ltd. -- Integrating R&D, production, sales and service of high-end PCB LDI & LED exposure systems. Trusted by manufacturers worldwide since 2011.
From laser direct imaging to full-auto CCD alignment exposure -- engineered for accuracy, built for scale.
Laser Direct Imaging systems delivering ultra-high resolution pattern transfer without photomasks -- ideal for HDI, flex, and rigid-flex PCB production.
Fully automated CCD alignment LED exposure machines engineered for high-volume PCB production with consistent, repeatable accuracy.
Cost-effective manual and semi-automatic CCD alignment LED exposure machines for small-to-medium production runs and prototyping labs.
Founded in 2011 by Dr. Wanghua, KST has grown into a nationally recognized leader in high-end optical equipment, backed by over 200 patents and a China Patent Award.
ISO 9001:2015 certified processes underpin every product. Our in-house R&D team continuously advances optical precision and automation capabilities.
Four specialized subsidiaries -- covering optics, lighting, intelligent equipment, and software -- enable complete end-to-end solutions for PCB manufacturers.
Recognized as a "Double Plan" enterprise in Dongguan, National Key "Little Giant" (2025), and 2024 Provincial Manufacturing Single Champion in Guangdong Province.
KST Group Subsidiaries
Assembly Line
Optical Testing
Clean Room
Global Shipping
Proven performance, trusted partnerships, and technology that moves your production forward.
Sub-micron accuracy backed by 200+ patents and continuous R&D investment.
Rigorous quality management at every stage -- from raw material to final delivery.
Streamlined production scheduling and logistics ensure on-time delivery worldwide.
Dedicated technical support, training, and service -- long after the sale is complete.
Ready to upgrade your PCB production line? Our engineers are available to discuss technical requirements, provide demos, and tailor solutions to your manufacturing needs.
Headquarters
Guangdong KST Optical Co., Ltd., Dongguan, Guangdong, China
Email Us
sales@kstoptical.com
Stock Code
874636 · Listed on National Equities Exchange