KST Optical
Get Quote
National "Little Giant" Enterprise · Stock Code: 874636

Precision LDI & Exposure
Systems for Advanced
PCB Manufacturing.

Founded in 2011 by Dr. Wanghua, KST Optical delivers sub-micron direct imaging and LED exposure equipment trusted by leading HDI board and carrier board manufacturers worldwide. 14 years of optical engineering excellence -- built for process engineers who demand zero compromise.

Explore Our Equipment Request Technical Specs
14+
Years Expertise
200+
Authorized Patents
ISO
9001:2015 Certified
Trusted By Ellington Electronics | Sun&Lynn | Jovepcb | Techwise | ASKPCB | Hongyu Circuit | Seegem

Product Portfolio

Equipment Built for
High-Precision PCB Lines

From HDI microvia boards to advanced IC substrates, our product range covers every critical imaging and exposure challenge in modern PCB fabrication.

Flagship

LDI Direct Imaging System

Maskless direct imaging eliminates film costs and achieves ≤2μm overlay accuracy. Ideal for HDI, any-layer boards, and IC substrates demanding the tightest line/space tolerances.

≤2μm Overlay Accuracy
Fully Automatic CCD Alignment
Film-Free · Zero Mask Cost
Supports HDI & Carrier Boards
KST LDI Direct Imaging System - Maskless PCB Exposure Machine for HDI and IC Substrate Manufacturing
High Throughput

Fully Automatic LED Exposure

Fully automatic CCD-aligned LED exposure system engineered for high-volume PCB production. Superior energy efficiency and consistent illumination uniformity across large panel formats.

Automatic CCD Registration
High-Uniformity LED Light Source
Low Energy Consumption
Optimized for Mass Production
KST Fully Automatic CCD LED Exposure Machine for High-Volume PCB Production Lines
Flexible

Semi-Auto CCD LED Exposure

Semi-automatic LED exposure with precision CCD alignment -- the cost-effective choice for mid-volume lines, prototyping, and multi-product PCB shops requiring flexible changeover.

CCD Optical Alignment
Rapid Product Changeover
Cost-Effective for Mid-Volume
Compact Footprint
KST Semi-Automatic CCD LED Exposure Machine for Double-Sided Solder Mask PCB Processing

Extended Capability

Pan-Semiconductor Lithography Equipment

Beyond PCB, KST's advanced lithography solutions extend into pan-semiconductor applications -- supporting R&D labs and specialty substrate manufacturers pushing the boundaries of optical patterning technology.

Inquire Now

Why KST Optical

14 Years of Optical
Engineering Excellence

From a single R&D team in Dongguan to a globally recognized group with four specialized subsidiaries -- KST Optical is the partner PCB manufacturers trust for mission-critical imaging processes.

KST Optical PCB LDI direct imaging machine production facility in Dongguan -- high-precision laser direct imaging equipment for HDI and IC substrate manufacturing
KST Optical R&D engineering team using PCB design software for optical system development -- supporting advanced LDI and CCD alignment exposure machine innovation
High-density interconnect PCB circuit board manufactured using KST Optical LDI exposure equipment -- precision patterning for HDI, IC substrate, and carrier board applications
01

National Key "Little Giant" Enterprise

Awarded by China's Ministry of Industry and Information Technology -- recognizing KST as a specialized, innovation-driven manufacturer in a niche sector.

02

200+ Authorized Patents · China Patent Award

Our IP portfolio covers optical system design, alignment algorithms, and LED light source engineering -- protecting innovations that directly benefit your process yield.

03

2024 Provincial Manufacturing Single Champion

Recognized as Guangdong Province's leading manufacturer in PCB direct imaging equipment -- a testament to consistent quality and market leadership.

04

Global Service Network

Overseas customers in the US, Japan, South Korea, UK, Germany, Italy, India, and Vietnam -- backed by four subsidiaries and a dedicated after-sales engineering team.

KST Group Subsidiaries

G

Ganzhou KST Optical

Optical equipment manufacturing base in Ganzhou, Jiangxi Province.

R

Rsee Lighting Technology

Specialized LED visual lighting source R&D and production subsidiary.

K

Krun Intelligent Equipment

Dongguan-based intelligent equipment and automation solutions provider.

W

Wuhan KST Software

Software development subsidiary driving smart imaging control systems.

Get In Touch

Talk to a PCB
Imaging Specialist.

Whether you're evaluating LDI for your carrier board line or upgrading your LED exposure process, our application engineers are ready to advise on the right solution for your specific layer count, line/space requirements, and throughput targets.

Headquarters

Dongguan, Guangdong Province, China

Certifications

ISO 9001:2015 · National High-Tech Enterprise · 200+ Patents

Global Reach

US · Japan · South Korea · UK · Germany · Italy · India · Vietnam

"Innovation, Quality, and Service -- firmly rooted in Dongguan and reaching out to the world."

-- KST Optical Corporate Mission

Request Technical Consultation

Our engineers typically respond within 1 business day.

By submitting, you agree to our privacy policy. No spam -- ever.