What is the warranty and after-sales service policy?

We provide a 1-year warranty. If quality problems occur, we offer free repair services.

What are the lead times for production?

The average lead time is one month for both peak season and off-season periods.

Is OEM/ODM service available?

Yes, we offer both OEM and ODM services, including full customization and flexible customization options.

OD4 340nm Coated Optical Bandpass Filter

Name: OD4 340nm Coated Optical Bandpass Filter
Brand: CPG OPTICS LIMITED
SKU: 825053115

Jiangsu, ChinaCPG OPTICS LIMITED

US$0.10-10.00

1 Piece

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Repair for free if quality problems come

Warranty

1 year

Model NO.

Filter

Usage

Lighting, Medical, Optical, Photography, Astronomy

Thickness Range

<5mm

Color

Transparent

Type

Optical Bandpass Filter

Principle

Selective Absorption Filter

Material

Glass

Angle of incidence

0°

Shape

Square

Certification

RoHS, CE, TUV

Customized

Transport Package

Carton, Blister, Customized

Specification

as required

Trademark

CPG

Origin

China

HS Code

9001909090

Production Capacity

1000/Month

Key features

Customizable Dimensions: Dimensions are as required, allowing for full customization based on specific needs.

High Optical Performance: Tmin>60%@340nm, FWHM 8-10nm, Blocking OD>4@200-800nm for precise light control.

Premium Material Quality: Made from CDGM H-K9L+Color glass with parallelism <3arcmin and surface quality 60-40.

Flexible Customization: Supports customization from samples, designs, minor adjustments, and full customization.

Rigorous Quality Control: 100% inspection for finished products with 30 QA/QC inspectors ensuring high standards.

Comprehensive Certifications: Certified with RoHS, CE, and TUV, meeting MIL-PRF-13830B standards.

Low Minimum Order: Minimum Order Quantity is just 1 piece, ideal for testing and small batches.

Free Quality Warranty: 1-year warranty with free repair services if any quality problems arise.

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.