SJLLASER OPTICS LIMITED

Precision in Detail, Quality in Delivery

SJLLASER OPTICS LIMITED (Est. 2007) is a national high-tech enterprise focusing on ultra-precision cold processing and quality control of high-precision optical lenses and components
Backed by mature processes and a strict data verification system, we ensure stable, high-volume delivery with exceptional consistency
*Key Process Metrics*
- Surface Quality: 5-0 scratch-dig (Ra < 1.2 nm)
- Single Sphere Tolerance: ±0.001 mm
- Within-batch Tolerance: < 0.006 mm
- Roundness: < 0.00025 mm
With proven cold processing expertise and full traceable quality control, we deliver reliable, high-quality manufacturing support to precision optical customers worldwide

Founded

2007
Plant Area

10,000+ m²
Annual Output

100 Million+ PCS
Sub-micron Level

Process & Inspection Precision

MISSION

Top optical talent for leading ultra-precision micro-optics

VALUES

Meticulousness Craftsmanship Innovation Coexistence

VISION

Leading the world in ultra-precision optics- from R&D to production

Precision in Roots, Vision in Optics

Specialized in ultra-precision cold processing & strict QC, we deliver stable lenses via data-backed verification

Production Capacity & Scale

Founded in 2007, our 10,000㎡ plant runs diverse lines for spherical, square collimating and micro medical optics, plus Class 100 clean rooms. Monthly spherical lens output reaches 30M units, flexibly tailored to customer size & precision specs.
Manufacturing: Full In-house Process Synergy

We house full professional equipment: optical coaters, precision mills, grinders, polishers, ultrasonic cleaners and clean benches. Covering blanking, lapping, coating and clean handling, stable processes enable mass production of high-precision lenses.
Quality Inspection: Multi-dimensional Data Verification

Our inspection matrix includes Keyence 3D microscopes, roundness testers, Mitutoyo micrometers, BCSP-Pro spectrometers, YC30μ interferometers and ZYGO systems. We achieve quantitative verification of 0.0125μm roundness, 0.0001mm accuracy and λ/20 surface form, with rigorous data securing every lens quality baseline.