About Us
Langfang Jingzheng Optoelectronic Technology Co., Ltd. — a supplier of optical measurement components focused on the development and manufacture of precision encoder discs.
Founded in 2007 and located in the Dachang High-Tech Industrial Development Zone in Langfang, Hebei Province, Langfang Jingzheng Optoelectronic Technology Co., Ltd. is an optical measurement component manufacturer specializing in the development and manufacture of precision encoder discs (code wheels for encoders). The company is a National High-Tech Enterprise whose main products are glass encoder discs, reflective metal encoder discs, PC (polycarbonate) encoder discs and custom encoder discs, serving encoders, servo motors, surveying instruments and automated precision measurement.
With photolithographic patterning, precision laser machining, lapping and polishing, and machine vision inspection as its core process capabilities, the company pays close attention to the graduation quality and consistency of every disc, providing customers with stable, reliable core encoder components and customized solutions.
Company Overview
The company has about 80 employees, a site area of about 6,000 m² and a factory floor area of about 2,500 m², with a Class 10-10,000 cleanroom production environment and a daily capacity of about 30,000 discs.
Milestones
2007: company founded; 2009: encoder disc production line set up; 2012: ISO 9001 quality management system certification obtained; 2017: laser cutting process introduced; 2018: AOI machine vision inspection introduced; 2023: new factory building put into service; 2024: recognized as a national-level technology-based SME.
Core Strengths
- Specialized focus: dedicated to the encoder disc, the core component of an encoder, with deep accumulated process know-how.
- Complete process chain: covering Cr coating, photoresist coating, exposure and development, etching, cleaning, laser cutting, edge chamfering, inspection, packaging and shipping.
- Clean production: Class 10-10,000 cleanroom production environment suited to manufacturing precision optical components.
- Inspection system: vision measurement, optical density testing and AOI visual inspection capabilities.
- Customization: outer diameter, bore, line count and substrate customized to customer drawings.
Qualifications and Certifications
The company is a National High-Tech Enterprise, holds ISO 9001 quality management system certification, and was recognized as a national-level technology-based SME in 2024. Its patents include “An optical reflective encoder disc, encoder and linear scale” (CN217210914U).
Applications
Jingzheng Optoelectronics encoder discs serve the following industries:
- Servo and stepper motor encoders
- Position feedback for CNC machine tools and precision machinery
- Joint angle measurement in industrial robots
- Optical instruments and metrology equipment
- Automated production lines and motion control systems
Company Information
| Item | Details |
|---|---|
| Full company name | Langfang Jingzheng Optoelectronic Technology Co., Ltd. |
| English name | Langfang Jingzheng Optoelectronic Technology Co., Ltd. |
| Date of establishment | October 19, 2007 |
| Unified Social Credit Code | 91131028667739890J |
| Address | No. 7-1, West Section of Gongye 1st Road, Dachang High-Tech Industrial Development Zone, Langfang, Hebei, China |
| Telephone | 0316-8933331 |
| Official website | www.encoderdisk.cn |
Langfang Jingzheng Optoelectronic Technology Co., Ltd., based in Langfang, Hebei, specializes in encoder discs and is not affiliated with Zhejiang Jingzheng Optoelectronic Science and Technology Co., Ltd. or Jinan Jingzheng Electronic Science and Technology Co., Ltd.