What is the coating type on the lens?

The lens features an AR (Anti-Reflective) coating.

What is the suitable wavelength for this product?

This product is designed for a wavelength of 1064nm.

What payment methods do you accept?

We accept T/T, PayPal, and Western Union.

Startnow 28X4 27.9X4.1 Quartz Optical Protection Windows for Fiber Laser Cutting Machine

Name: Startnow 28X4 27.9X4.1 Quartz Optical Protection Windows for Fiber Laser Cutting Machine
Brand: Nanjing Startnow Opto-Electronics Co., Ltd.
SKU: 1911334785

Jiangsu, ChinaNanjing Startnow Opto-Electronics Co., Ltd.

US$0.61-1.24

200 Pieces

Sample price:US$1.40/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online Support

Usage

Laser Equipment Parts

Model NO.

28*4(27.9*4.1)

Type

Laser Protective Windows

Transmittance

>95%

Shape

Flat on Both Sides

Material

Fused Silica

Lenses Color

Transparent

Customized

Coating

Ar Coating

Size

28*4(27.9*4.1)mm

Transport Package

Standard Packing

Specification

D20mm Series

Trademark

Startnow

Origin

China

Key features

High Transmittance: Transmittance reaches 99.5% for optimal laser performance.

Premium Material: Constructed from high-quality Fused Silica (Quartz) for durability.

Customized Options: Available in customized sizes including 28*4mm and 27.9*4.1mm.

AR Coating: Features Anti-Reflective coating to minimize light loss.

Online Support: Dedicated online customer service available for product inquiries.

Optimized Wavelength: Specifically designed for 1064nm fiber laser cutting machines.

Flat Surface Design: Flat on both sides to ensure precise optical alignment.

Fast Lead Time: Off-season delivery within 15 workdays; peak season within one month.

Company profile

Nanjing Startnow Opto-Electronics Co., Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-01-01Nearest Port: ShanghaiAverage Response Time: ≤2.94hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, FCA, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with manufacturing, technical services, electronic and electromechanical component activities, and metal cutting and welding equipment activities. It provides broad customization, 3D design, ODM, and OEM services, and has introduced new products during the past year. Quality management includes two inspectors, documented inspection instructions, and a documented warehouse control process, but no quality-control test equipment is reported. The supplier has inventory and overseas warehouse capabilities, while no overseas showroom is available. Service governance is incomplete: supplier-service assessment has records but no written procedure, and no written corrective-action or customer-complaint procedures or records are reported. Evidence is insufficient for certification holding, after-sales capability, and customer cases.

Supplier typeThe supplier is explicitly classified as a trading company, while its stated business scope also includes manufacturing, sales of electronic and electromechanical components, metal cutting and welding equipment, equipment installation, maintenance, and technical services. This indicates a trading-led supplier with broad related manufacturing and service activities.

R&D capabilityThe supplier identifies itself as a professional technical supplier, provides 3D software design, has one R&D engineer responsible for customer-request confirmation, new-product design, and technical support, and reports new products during the past year plus ODM services. It does not have an available SDK, but the documented product-development and design activities support an innovation capability assessment.

Production capacityThe supplier’s scope includes manufacturing and equipment-related production activities; it has two quality-control staff, documented warehouse control, documented finished-product inspection instructions, inventory capability, and overseas warehouse capability. However, no quality-control test equipment is reported and manufacturing-capacity contract status is unknown, so production capability is supported but not fully evidenced.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, flexible customization, and 3D software design services. Its ODM and OEM capabilities further support the ability to deliver customized products and designs.

Client casesThe supplier states that it provides OEM services for well-known brands, which is direct evidence of brand customer experience. No customer names, project details, volumes, or verification records are provided, so the breadth and strength of customer cases cannot be determined.