What is the lead time for delivery?

Lead time is 15-30 days depending on quantity and specifications; stock items are shipped within 2 days of payment.

Do you offer OEM or ODM services?

Yes, we accept all OEM and ODM requests.

What is the warranty policy?

We provide a 1-year warranty; for quality issues, we will rework or replace the product at our cost upon verification.

4" Diameter MgF2 windows

Name: 4" Diameter MgF2 windows
Brand: CPG OPTICS LIMITED
SKU: 916644625

Jiangsu, ChinaCPG OPTICS LIMITED

US$99.90

10 Pieces

Sample price:US$99.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Repair for free for any quality problem

Warranty

1 year

Model NO.

Window

Usage

Lighting, Medical, Optical, Photography, Astronomy

Type

Flat Lens

Transmittance

>95%

Shape

Single-lens

Material

Corning 7979

Lenses Color

Clear

Certification

RoHS, ISO9001, CE, TUV

Customized

Coating

HMC

Transport Package

Carton, Blister, Customized

Specification

As required

Trademark

CPG

Origin

China

HS Code

9001909090

Production Capacity

5000 Pieces

Key features

High Transmittance: Transmittance exceeds 95% for optimal optical performance.

Precision Specifications: Diameter 101.1mm, Thickness 10.0mm, Flatness PV<1/4L@633nm.

Durable Material: Made from Corning 7979 MgF2 with high laser damage resistance.

Comprehensive Warranty: 1-year warranty covering free repair for any quality problems.

Multi-Industry Usage: Suitable for Lighting, Medical, Optical, Photography, and Astronomy.

Full Customization: Offers customization from samples, designs, and flexible options.

Global Support: Branches in US, Germany, and Netherlands for in-time service.

ISO Certified: ISO9001 and ISO14001 certified manufacturer with 20+ years experience.

Company profile

High Repeat Buyers ChoiceOverseas Agent/BranchFlexible Customization100% Finished Products Inspection

CPG OPTICS LIMITED

Jiangsu, China

Business Type: Manufacturer/Factory, Trading Company, Group Corporation CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤24h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier offering 3D software design, broad customization, ODM, OEM, and recent new-product development. Its quality infrastructure includes ISO9001:2015 and ISO14001 certificates, documented warehouse and supplier-control procedures, 30 quality-control staff, 12 test-equipment units, and 20 R&D engineers. Service evidence covers overseas installation, debugging, maintenance, repair, and training in the United States and Germany, with a stated one-month average lead time in both peak and off-season. Production equipment and customization capabilities are documented, but production capacity metrics are not provided. Financial records are referenced for 2021–2023, without sufficient evidence to assess financial strength. The supplier reports no SDK availability and no Fortune 500 collaboration, while repeat-buyer preference is stated at 80%–100%.

Supplier typeThe supplier is explicitly described as a professional technical supplier and its business scope includes Class I medical device sales and production, subject to applicable approvals. This supports classification as a specialized technical/manufacturing supplier, although the provided scope also contains regulatory qualification conditions.

CertificationsThe supplier reports ISO9001:2015 and ISO14001 certificates in both certification-related slices. These are explicit management-system certifications relevant to quality and environmental management.

After-Sales capabilityThe supplier has 20 R&D engineers whose responsibilities include technical support for production and after-sales service, documented service-capability procedures, and overseas offerings in the United States and Germany covering debugging, maintenance, repair, training, and equipment installation. A one-month average lead time is stated for both peak and off-season.

R&D capabilityThe supplier reports 20 R&D engineers, new-product development during the past year, ODM capability, 3D software design services, and engineers responsible for customer-request confirmation, new-product design, and technical support. The absence of an available SDK is a limitation for software-development integration, but does not negate the documented product and design R&D capability.

Production capacityA broad set of milling, grinding, polishing, coating, cleaning, carving, marking, cylinder-machining, spherical, and finishing equipment is listed, alongside stated Class I medical-device production scope and OEM capability. Nevertheless, no output capacity, facility size, or production-volume data is provided.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It also offers 3D software design and ODM services, indicating capability across several customization and original-design modes.