Ten years focused on high-reliability low-volume manufacturing, with more than a thousand projects delivered
About Ledge
Ten Years in Shenzhen, Serving Global High-Reliability Electronics Manufacturing
Founded in 2014, Ledge Technology supports customers in healthcare, marine technology, rail transit, industrial control, and scientific instruments with end-to-end electronics manufacturing from prototype validation to production delivery. When reliability is not negotiable, we are the team you can still find on the line
Two coordinated bases with flexible capacity for peak demand
For covered production projects, customers can review progress, reports, and batch traceability online
ISO 13485 / IATF 16949 / ISO 9001 / ISO 14001 / IPC-A-610 CIT / IPC Member / IPC-A-610 / CE / RoHS / FCC
Milestones
2014
Founded in Shenzhen
Ledge Technology was founded in Bao'an, Shenzhen. From day one, the company chose the path of low-volume and high-reliability manufacturing
2016
Hong Kong operations
The Hong Kong company began operating, taking on international payments and overseas sourcing. That was the starting point of the global supply chain
2019
North America node
Eleven Dimension Technology Inc was established in Oshawa, Ontario, giving Ledge a North American business node
Nordic partnership established
An exclusive strategic partnership with Elprint in Norway and Denmark was signed, establishing local customer coordination and delivery support
2020
Order tracking system launch
The proprietary order tracking system was formally launched as an internal program focused on progress visibility, inspection reporting, and material traceability
2021
V1 rebuild decision
System V1 went live internally. Shop-floor feedback was clear: the architecture was not flexible enough. The decision was made to rebuild it
2022
Overseas R&D and V2
The Spain and Cyprus R&D team started operating, and system V2 made real-time order tracking and online report access practical
2023
Traceability and remote confirmation
The system kept evolving with batch-level traceability and remote customer confirmation, while the team spent months refining both the database architecture and the frontend experience
2024
Science Park and Longgang base
Ledge Technology Limited was established at Hong Kong Science Park to unify the global brand, and the Longgang volume manufacturing base began operating
2025
90%+ active-project coverage
The proprietary system covered more than 90% of active production programs, with customer adoption above 90% and written recognition from multiple European customers.
2026
Canada manufacturing and AI planning
Canadian manufacturing site selection is ongoing, while an AI-assisted analysis layer is being planned to forecast production cycles and quality risk
How We Engineer
We don’t just build boards. We solve the problems around them.
Medical devices cannot fail in an operating room. Marine equipment cannot stop 3,000 meters below the surface. Rail signal boards may need to operate for twenty years. The products differ, but the manufacturing discipline is consistent: critical processes are defined and recorded at project level, batch release relies on traceable inspection evidence, and engineering decisions remain documented.
We have taken over test systems with only three pages of documentation, delivered complex conformal coating for deep-sea equipment, found replacements for end-of-life display modules, and pushed edge-computing gateways from prototype to production. The projects are different, but the method does not change: understand the objective, define the path, validate the critical risks, then move into delivery
Start from the objective, not the drawing
We get involved while the BOM is still moving and the test plan is still open, helping customers define manufacturability boundaries before trial builds turn into expensive rework
Incomplete information cannot stop the decision
When specifications arrive half-finished, we fill the gaps with process data, comparable program experience, and test logic, not guesswork, but engineering judgment backed by records
Scarce components are manageable, uncertainty is the real risk
We lock the last available lots of obsolete parts, validate replacement materials, and rebuild soldering windows for legacy components, supply security is prepared, not hoped for
Trust is earned through delivery, not promised in advance
Some customers no longer schedule routine on-site audits, not because standards have eased, but because years of delivery are supported by batch controls, process records, and review evidence. Sustaining that verifiable discipline is what long-term partnership means to us.
Digital System
Proprietary Order Tracking System
From an internal initiative in 2020 to 90%+ active-project coverage, the system turned order progress, inspection reports, and material traceability from a black box into a visible operating window
V1 hit its ceiling quickly. Production data changed too fast and customer reporting needs varied too widely for a rigid architecture to keep up. The team made a call: rebuild it. V2 was redesigned from the foundation, and multiple iterations followed. At one point, even a live module was rebuilt again. To solve a data synchronization problem, engineers debugged until after midnight for two straight weeks. Those iterations became the operating foundation behind today’s progress visibility, inspection reporting, and material traceability
“We no longer need to email for progress updates.” — from a European customer email
Real-Time Order Progress
From material prep to shipment, updated at hourly resolution
Online Inspection Reports
AOI, X-Ray, and SPI records archived and searchable by work order
Material Batch Traceability for Covered Projects
Supplier, inbound date, and point-of-use linked in the project record
Remote Confirmation
First-article and production status confirmed online without email back-and-forth
Our Culture
To become the most trusted long-term partner in high-reliability electronics manufacturing
Our customers’ products are used in operating rooms, deep-sea equipment, rail systems, and laboratories. These environments do not tolerate “close enough.” We combine engineering judgment with agile manufacturing to move programs from validation to stable, traceable delivery. Our goal is to earn long-term trust through each program and become the manufacturing partner customers choose to work with over time.
Our Belief
Culture does not live on the wall It lives in every review and every recheck
When we say quality is a habit, that claim is tested in every AOI review, every batch recheck, and every NPI discussion, culture is not what we say, it is what we keep doing
Engineering ReviewsBatch RechecksFirst-Article ApprovalContinuous Improvement
The rigor in a review meeting, the recheck before shipment, the honesty inside every record
— Corporate Values
Intelliagile® — Intelligent and Agile
This is our registered trademark, but more importantly it is a decision rule. Anticipate risk with engineering experience and respond fast with flexible execution. No rigid thinking, no dead process
Customer as Partner
No MOQ. We absorb excess purchases when needed. We join during development instead of waiting for the design to freeze. Supply chain resources are shared as if the program were our own
Quality as Habit
Passing once is easy. The harder discipline is sustaining batch controls, process records, and delivery review over time. Some customers have gone years without scheduling an on-site audit; that trust comes from traceable delivery performance, not a promise.
Sustainable Responsibility
Paperless reporting, dry-ice cleaning instead of chemical solvents, and selective wave soldering that improves workshop air quality. Every environmental action starts as a better engineering decision
Continuous Innovation
The proprietary order tracking system was rebuilt instead of protected. The core team turned earlier shop-floor experience into the SMT intelligent first-article inspection system. Domestic-alternative validation reduces supply risk before shortages become failures. Innovation is not a KPI for one department. It is a built-in instinct
Green Factory and Supply Chain Responsibility
Social Responsibility · Green Factory
- Paperless production reporting and digital shipping documentation implemented across the operation
- ISO 14001 certified, with waste sorting, wastewater treatment, and heat recovery at the Bao'an base
- Dry-ice board cleaning introduced to replace traditional solvent-based cleaning
- Selective wave soldering replaces part of manual soldering to reduce flux emissions and improve shop-floor air quality
- Preferred suppliers are screened for RoHS, REACH, and conflict-minerals compliance
- Customers are supported on CE, FCC, and RoHS environmental certification work
Team Care and Growth
Team Care and Growth
- Annual health checks, night-shift allowances, and holiday support
- Golden Idea Award for process improvements proposed by front-line staff, with more than 30 implemented
- Regular first-aid training, fire drills, and occupational health sessions
- Skill-up programs in IPC certification, programming, and English, with internal transfer and continuous learning encouraged
- Annual company travel and extra paid leave during Spring Festival
- Internal technical forum “Ledge Lecture” where engineers rotate through real case sharing
- Flat management with the founder directly involved in technical reviews
Engineering Innovation and Quality Habit
Innovation does not come from slogans, it comes from choices made inside the process
- The same customers have audited us year after year, and some no longer repeat routine audits
- The proprietary order tracking system was rebuilt instead of forcing a weak architecture to stay alive
- The core team developed the SMT intelligent first-article inspection system earlier in their shop-floor careers, and domestic-alternative validation starts before shortages hit
- NPI reviews happen before trial build, linking deliverables to process records within covered projects
Team & Standards
The core team proves its judgment in process reviews, obsolete-part substitutions, and every traceable report
The founder and core team led the development of an SMT intelligent first-article inspection system and sold it to EMS providers around the world. Their understanding of error-proofing, traceability, process windows, and delivery boundaries comes from years on the production floor, not from theory. That experience is the judgment behind how Ledge handles complex programs
Ye Zaihui · Founder & CEO
Co-inventor of the SMT intelligent first-article inspection system. Founded Ledge in 2014 and leads strategy, technology, and global expansion
Liang Jianyong · Head of Manufacturing
Co-inventor of the SMT intelligent first-article inspection system. Brings 15 years of shop-floor process management and leads operations across both manufacturing bases
Head of R&D
Leads embedded software, test systems, and system architecture while connecting engineering resources across three locations
Head of Engineering
Responsible for hardware design, DFM, NPI, and engineering judgment that bridges design intent and manufacturing reality
Head of Process Engineering
Focused on process-window control for SMT, DIP, selective wave soldering, coating, and high-reliability manufacturing
Head of Supply Chain
Leads authorized channels, overseas sourcing, obsolete component locking, and supply risk control
IATF 16949IPC-A-610CERoHSFCC
Long-term trust is built on the same discipline: documented batch controls and review evidence at delivery