Start from the application
We first understand the equipment, algorithms, field of view, lighting, and assembly conditions, so the product starts from the result in use rather than a single pattern.
Ruihua Optical Technology
Ruihua Optical
From machine-vision calibration to optical testing and precision measurement, Ruihua builds on in-house manufacturing and custom fabrication to drawing, turning on-site requirements into optical patterned products that can be confirmed, produced, and inspected.
Company positioning
Organizing precision-pattern requirements into deliverable projects
Dongguan Ruihua Optical Technology Co., Ltd. is headquartered in Dongguan, Guangdong, and focuses on the R&D, manufacturing, and custom collaboration of optical products. Our products serve applications such as machine vision, optical metrology, and medical imaging; the publicly shown range includes calibration targets, photoplot film, encoder discs, grating scales, and glass line scales. Specific materials, sizes, and delivery requirements are subject to technical confirmation.
Ruihua serves not an isolated pattern but an engineering task constrained together by equipment, algorithms, lighting, mounting, and inspection. Starting from the intended use and how the pattern is read, we help customers turn scattered conditions into an actionable pattern and substrate plan.
As an in-house manufacturer, Ruihua organizes R&D, plate making, substrate processing, inspection, and delivery communication into a single project chain. Standard directions make reordering easy, while non-standard projects proceed by mutually confirmed files and versions, leaving a clear record for later adjustments and repeat purchasing.
- Founded
- 2021
- Headquarters
- Dongguan, Guangdong
- Production site
- Nearly 12,000 m²
Company strengths
Supporting product delivery through engineering collaboration
With a professional team, engineering collaboration, and sustained service capability, we support machine-vision and optical-testing projects at home and abroad, from selection to delivery. The figures below were updated in July 2026.
70
Employees
As of July 2026
45
Engineers & technical staff
As of July 2026
5,000+
Customers served
As of July 2026
30
Countries & regions served
As of July 2026
Customer value
Turning requirements into actionable technical information
From selection and engineering evaluation to delivery communication, every step centers on the result the customer actually needs to use and accept.
Multi-material coordination
We organize substrate options according to optical, structural, and environmental conditions, evaluating transmissive, reflective, and diffuse-reflective surfaces and mounting methods together.
Products and customization in parallel
Standard directions make reordering convenient, while made-to-drawing projects can be evaluated by pattern, size, geometry, and conditions of use.
Manufacturing linked to inspection
We keep file versions, production communication, geometric dimensions, and agreed inspection items in one project record, making repeat purchasing easier.
Explore Ruihua further
Products, manufacturing, and applications each have their own entry
When you need to look into specific products, our equipment base, or on-site selection, continue from the corresponding entry.
Credentials
Showing verifiable original certificates
The ISO 9001:2015 quality management system certification and the Class 9 figurative trademark registration both provide access to view the originals; the certification scope, certificate numbers, and validity are subject to the originals and the issuing authorities' records.
Quality management system
ISO 9001:2015 certification
Scope: production of optical film materials (machine-vision camera calibration boards) and optical photoplot film.
- Certificate no.
- 21425Q0094R0S
- Validity
- Valid until 2028-04-09
Intellectual property
Class 9 figurative trademark registration
Registrant: Dongguan Ruihua Optical Technology Co., Ltd.
- Registration no.
- 85584377A
- Validity
- 2026-01-21 to 2036-01-20
Company culture
Bringing every custom project back to the customer's result in use
The following mission, vision, and values come from the company brochure, and are Ruihua's own standards for its long-term direction and way of serving.
Mission
Advance the industrial adoption of high-precision, full-size calibration targets
Vision
To become an influential benchmark that leads the industry forward
Core values
- 01 Integrity
- 02 Precision
- 03 Focus
- 04 Service
Confirm your next patterned product together with Ruihua
Tell us the application, product direction, material, size, quantity, and any existing drawings; for projects that are uncertain in the online inquiry, you can also reach us directly by phone or email.