Gansu Constar Technology Group Manufacturing Facility
Flagship Manufacturing Facility

Gansu Constar Technology Group

42+ Years of Contact Lens Innovation · CE (MDR) · ISO 13485 Certified

42+ Years Heritage (Est. 1984)
61 Proprietary Patents
>96% Optical Transmittance
700K+ Daily Lens Output
Manufacturing Cornerstone

Global R&D and High-Precision Optical Production Center

As the foundational anchor of Vibebeautylens Technology Co., Ltd. with over four decades of proven industry leadership, Gansu Constar Technology Group serves as our central hub for optical research, design innovation, and complex automated manufacturing.

The facility specializes in proprietary semi-mold casting, full-cast molding, and advanced non-spherical optical design. Operating under strict medical device frameworks including the European Union Medical Device Regulation (CE MDR) and ISO 13485, the plant provides international B2B distributors and optical retail chains with verified stability, consistent batch reproduction, and comprehensive regulatory documentation.

  • CE (MDR) CertifiedFull compliance for EU regulated medical markets
  • ISO 13485 CertifiedAudited medical device quality management system
  • 61 Industrial PatentsProprietary polymer formulas and mold engineering
  • 120+ Export MarketsTrusted manufacturing source across Europe and Asia
Constar Factory Exterior and Precision Cleanroom Facilities
Engineering Superiority

Core Technological Advantages

From micro-layer pigment isolation to high-precision non-spherical curves, our engineering provides safety, comfort, and optical acuity.

Patented Sandwich Color Locking

Our sandwich printing embeds biocompatible FDA-approved color pigments between two clear hydrogel polymer layers. Pigments never make direct contact with corneal tissue or tear film, eliminating pigment leaching and ensuring complete physiological safety during prolonged wear.

Advanced Aspheric Optical Design

Engineered with computer-optimized aspheric surface curvature to systematically reduce spherical aberrations. This delivers crisp, high-definition visual resolution across diverse lighting conditions while enhancing lens stability on the ocular surface.

Monomer Extraction Purification

State-of-the-art multi-stage distillation and extraction systems completely eliminate unreacted chemical monomer residues. This critical process prevents ocular toxicity, curbs protein accumulation, and maximizes edge-smoothness for immediate wearing comfort.

Superior Optical Clarity: >96% Light Transmittance

While the standard baseline for hydrogel optical devices is set at 89%, our proprietary raw material distillation and cross-linking technique achieve an exceptional light transmittance exceeding 96%. This benchmark guarantees natural visual brilliance, crisp focus, and true-to-life color rendering for both clear vision correction and decorative cosmetic lenses.

Gansu Constar High-Purity Lenses 96%+
Standard Industry Threshold 89%
Zero-Defect Quality Assurance

12-Step Automated & Optical Inspection System

Every single contact lens passes through a multi-dimensional inspection matrix combining high-speed AI machine vision with physical parameter validation.

Step 01

Raw Monomer Purity Assay

Spectroscopic analysis of all polymer ingredients to verify chemical purity prior to reaction.

Step 02

High-Precision Mold Inspection

Laser profilometry monitoring sub-micron tolerances on curved female and male mold dies.

Step 03

Pigment Centration & Dot Matrix

Automated visual alignment checking concentric positioning and color register integrity.

Step 04

Thermal UV Polymerization

Computerized temperature curve monitoring ensuring cross-linking density and structural memory.

Step 05

Lens Extraction & Hydration

Residual monomer removal cycles followed by controlled de-molding in balanced saline solutions.

Step 06

360° Edge Contour Imaging

High-resolution shadow-graphing ensuring smooth, round, non-irritating edge profiles.

Step 07

Diopter & Optical Power Gauge

Automated focimeter testing verifying focal consistency across central and peripheral zones.

Step 08

AI Darkfield Surface Detection

Sub-micron automated optical inspection (AOI) to filter out air bubbles, scratches, or tears.

Step 09

Blister Saline Filling & Sealing

Sterile isotonic solution dosing and hermetic foil thermal seal integrity verification.

Step 10

Terminal High-Pressure Autoclave

Medical sterilization at 121°C with monitored lethality values (F0) on every single batch.

Step 11

Microbiological Incubation Tests

Quarantine batch biological testing to guarantee zero bioburden and endotoxin limits.

Step 12

Barcoding & Batch Traceability

Individual serialization enabling full trace-back from retailer distribution to raw polymer lots.

Factory Specifications

Manufacturing Capabilities & OEM Standards

Comprehensive turnkey specifications for global private label programs, national distributors, and optometrist networks.

Manufacturing Base Gansu Constar Technology Group (Core Factory of Vibebeautylens Technology Co., Ltd.)
Establishment Heritage Founded in 1984 (42+ Years Continuous Contact Lens Manufacturing Experience)
Quality Certifications CE Mark (MDR EU 2017/745), ISO 13485:2016, Medical Device Good Manufacturing Practice (GMP)
Patents & Intellectual Property 61 Registered Industrial Patents (Including proprietary color locking and optical casting)
Production Lines High-speed cast molding, automated pad-printing, and semi-mold casting systems
Production Capacity 700,000+ pieces daily output; scalable monthly capacity over 800,000 pairs
Replacement Cycles Daily Disposable (1-Day), Monthly Disposable (30-Day), 6-Month, and 1-Year replacement lenses
Available Parameters Base Curve: 8.5mm – 8.7mm | Diameter: 14.0mm – 14.5mm | Water Content: 38% – 58% | Power: 0.00 to -10.00D
Delivery Lead Time Ready-to-Ship inventory: 3–5 working days | Custom OEM/ODM Private Label orders: 30–45 days
Primary Target Regions European Union, United Kingdom, Southeast Asia, Middle East (SFDA ready), and Global Markets

Partner Directly with Gansu Constar Technology Group

Whether you require CE MDR certified stock lines, customized Pantone color matching, or high-volume private label packaging, our engineering and export team is ready to assist your brand.

Inquire Now