Shenzhen Zijing Optoelectronics Technology Co., Ltd.
Company Overview
Founded in 2019 and headquartered in Shenzhen, Zijing designs, manufactures, and sells LCD projectors and optoelectronic products. The company operates its own production base and a branch office in Shenzhen, covering the entire value chain from product definition and R&D to manufacturing and delivery.
Team & Management
Zijing has a team of 80 to 100 employees, with nearly 30 people dedicated to R&D – about one out of every three team members. The company is supported by well-trained management, design, and quality control teams. This structure allows Zijing to provide samples in the shortest possible time, arrange orders accurately, and strictly control both quality and delivery schedules for mass production.

Qualifications & Recognition
Zijing continuously invests significant resources and effort into product development to meet market demands. A skilled research team, advanced equipment, and a strong innovation culture ensure consistent and reliable quality.
- National High-tech Enterprise (2023)
- Provincial & Municipal Innovative SME (2023)
- Provincial “Specialized and Sophisticated SME” (2025)
- Benchmark Enterprise in its niche (2026)
The company is ISO9001 certified. Its products hold CCC, CE, RoHS, KC, FCC, and WEEE certifications, meeting major international standards.
Technical Strength
As of 2026, Zijing holds 24 granted patents:
| Type | Count | Representative Technologies |
| Invention |
2 |
Adaptive tilt angle system, optical engine and projection device |
| Utility Model | 11 | Dual-turbofan cooling system, screw rod mechanism, local current control, fine dust filter, modular display assembly |
| Design | 9 | Covering models such as C5Enterprise, C5Pro, LX3, T1, LX500,etc. |
Software Copyrights
Zijing owns 11 software copyrights covering core projector software systems:
- Image processing & settings – video image setup, color calibration, picture adjustment
- System control & UI – smart system control, human-machine interface
- Auto-focus & keystone correction – auto-focus control, keystone correction algorithms
- Thermal & power management – smart cooling control, power management system
- Connectivity & OTA – multi-screen interaction, OTA upgrade management
All software modules are developed in‑house, tightly integrated with hardware to deliver superior image quality, system stability, and user experience.
Core Technical Capabilities
- Thermal management – dual-turbofan 3D cooling, single‑side airflow structure
- Mechanical design – screw rod lifting mechanism, motorized optical engine lift, modular detachable display assembly
- Image & control systems – adaptive tilt angle, local current control, zone brightness adjustment
- Optical systems – imaging system assembly, focusing lens, optical engine integration
Production & Quality Control
Zijing operates a 2,600 m² production facility with complete assembly and testing lines. Every unit undergoes rigorous testing before shipping, including brightness, uniformity, focus accuracy, thermal efficiency, and noise level checks.
Product Line
Thanks to the dedicated design team, Zijing has developed a full family of LCD projectors covering home, business, and portable use cases. Key models include:
- C5 Enterprise – the first projector ever with an AI telescopic rod
- C5 Pro – Google TV OS integrated
- C4 Pro – Android TV OS integrated
- C5 – full smart auto-focus projector
- C4 – meeting room projector
- LX5 – projector ideal for bedroom use
- LX6 Pro – projector with vibrating speakers
- T1 – Type-C powered projector
- LX3 – projector with a fixed gimbal
…and more in development.
In addition, Zijing offers ODM services for international brands, supporting customized development from requirement gathering to mass production.
Market Presence
Zijing’s projectors are sold in the United States, Europe, Russia, Brazil, and Southeast Asia. In the US and Europe, where certification and quality standards are high, Zijing has built stable distribution channels thanks to its CE, RoHS, FCC, KC, and other international certifications. In Southeast Asia and Brazil, where cost‑effectiveness and customization matter most, Zijing’s ODM capabilities and rapid response provide a clear advantage.

Several customers have maintained long‑term relationships, placing repeat orders for years. Clients include brand owners, channel distributors, and system integrators, serving home entertainment, business meetings, education, and portable applications.
To expand global reach, Zijing has participated in the Canton Fair and the Hong Kong Electronics Fair. These events have enabled direct engagement with international buyers and demonstration of the latest products. Going forward, Zijing will continue to deepen its presence in existing markets, especially Europe, the Americas, and Southeast Asia.
Vision
Zijing is actively expanding into portable projectors, educational interactive projectors, and high‑brightness commercial models. Driven by independent R&D, the company aims to become a benchmark in the optoelectronic display industry.
Shenzhen Zijing Optoelectronics Technology Co., Ltd. – Our Services
30–35 Working Days Delivery
Whether it is a small batch of standard projectors or a fully customized OEM order, our delivery lead time is 30–35 working days. We prioritize production planning to meet your schedule.
Strict Quality Control Throughout Production
a) Component control
We source key optical components (light engines, lenses, LCD modules) from top‑tier suppliers with long‑term partnerships. Each batch of incoming materials is inspected before entering the warehouse.
b) Dust‑free assembly workshop
Our projectors are assembled in a class 100,000 dust‑free workshop. Operators wear anti‑static clothing and pass through an air shower. The environment ensures no optical contamination.
c) Multi‑stage inspection
In‑process QC: Three line inspectors check focus, brightness, color uniformity, and interface functions every 30 minutes.
Burn‑in test: Each unit runs continuously for 72 hours before final assembly.
Final QC: 100% inspection of appearance, package contents, and remote control functionality.
d) Quality complaint handling
If any quality issue arises, our after‑sales team reports directly to the factory manager. Within 24 hours we hold a cross‑department meeting (production, engineering, purchasing). A corrective action plan is provided within 48 hours, including replacement or credit for verified defects.
OEM & Private Label Services
We offer full OEM services for brand customers – from industrial design, mold development, PCB customization, to logo printing (laser engraving or silk screen), custom packaging, and user manual in any language. Your brand, our manufacturing.
Our Company Strengths
Optical expertise – Years of experience in digital projection and optoelectronics.
Own brand “DESS” – We understand the market because we sell under our own brand.
Global compatibility – Multi‑voltage power supply, multiple language OSD, and international plug options.
Strict quality control – 72‑hour burn‑in test, 100% final inspection, and dust‑free workshop.
Fast technical support – 4‑hour pre‑sales response and 48‑hour quality complaint resolution.
Comprehensive OEM customization – Logo printing, custom packaging, multi‑language manuals – all in‑house.
Long‑term supplier partnerships – Stable material quality and consistent supply from tier‑1 component suppliers.
Experienced engineering team – Quickly resolves optical, electronic, or firmware issues.
Direct factory pricing – No middlemen, competitive for both small and large orders.
After‑sales support – Replacement or credit for verified defects; spare parts for bulk orders.
Global shipping – Regular exports to Europe, North America, Southeast Asia, and the Middle East.
For more information about our projectors and OEM capabilities, please contact our sales team.
1. Feb 2019 – Shenzhen Zijing Optoelectronics Technology Co., Ltd. was founded with a 300㎡ facility and launched its first fully enclosed LCD projector.
2. May 2020 – Production base expanded to 1,000㎡, with overall production capacity tripled.
3. Jun 2021 – Secured orders from major brands and established itself as a core qualified supplier.
4. Mar 2022 – Scaled up R&D and sales teams to boost technical innovation and market layout.
5. Nov 2023 – Factory expanded to 2,600㎡, representing 9‑fold growth. Introduced semi‑automatic production lines, with annual output exceeding 100,000 units.
6. Feb 2024 – Officially registered independent brand “DESS”, transforming from OEM manufacturing to brand‑driven operation.
7. Jun 2024 – Released C5 Enterprise, the first projector with a telescopic pole, achieving over 5,000 monthly orders, and entered the Southeast Asian market via Indonesia Expo.
8. Oct 2024 – Attended Canton Fair, building connections with buyers from the Middle East, Europe and South America.
9. Apr 2025 – Further expanded overseas sales team and recruited professional international sales specialists.
10. Aug 2025 – Launched the first Type‑C projector with a 180° gimbal.
11. Apr 2026 – Participated in Hong Kong Electronics Fair, further consolidating global sales channels.
Together We Build Zijing
Zijing has 80–100 members, including 30 full‑time technical specialists, and is a solid and experienced force deeply engaged in the projection industry. The company covers all functions – R&D, production, quality control, sales, after‑sales, and marketing – with a well‑structured and efficient collaboration system. Its technical staff brings years of experience in projector R&D, hardware debugging, and solution implementation, closely following industry trends while focusing on product iteration and quality optimization.

We believe training is essential for every team member. Through a variety of organized sessions, we continuously improve our abilities while also finding joy and meaning in our shared learning journey. The time we learn and study together is something we treasure.

Every year, our company organizes various team‑building activities, both large and small, so that our members can enjoy a colorful life beyond work.
