What is the warranty period?

We provide a one-year warranty and after-sales service.

What are the available payment terms?

Payment terms include LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for production?

The lead time is within 15 workdays during peak season and off season, or up to one month.

Premium K9 Flat Convex Square Lens for Crystal Clear Vision

Name: Premium K9 Flat Convex Square Lens for Crystal Clear Vision
Brand: Shanghai Rui Tai Photoelectric Technology Co., Ltd.
SKU: 2103133105

Shanghai, ChinaShanghai Rui Tai Photoelectric Technology Co., Ltd.

US$199.00

100-499 Pieces

US$169.00

500-999 Pieces

US$154.00

1,000+ Pieces

Product profile

Customization

Available

After-sales Service

One Year

Warranty

One Year

Model NO.

RAY-KOPF1655#

Usage

Lighting, Medical, Optical, Photography

Type

Concave Lens

Transmittance

>95%

Shape

Laminated Lenses

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS, ISO9001, CE

Customized

Coating

HMC

Transport Package

Wooden Box

Specification

Based on size

Trademark

RAYTEK

Origin

Made in China

Production Capacity

50000PCS/Year

Key features

High Transmittance: Transmittance exceeds 95% for clear vision applications.

Anti-Reflective Coating: HMC coating with Ravg<0.5% across VIS, NIR, and SWIR bands.

Customizable Options: Supports customization from samples, designs, and flexible adjustments.

Premium Material: Made from fine annealed K9 optical glass for durability.

Certified Quality: RoHS, ISO9001, and CE certified for safety and standards.

Low MOQ: Minimum Order Quantity is just 1 piece for flexibility.

One Year Warranty: Includes one-year warranty and after-sales service.

Versatile Usage: Suitable for lighting, medical, optical, and photography uses.

Company profile

High Repeat Buyers ChoiceImporters and ExportersR&D CapabilitiesManagement Certification

Shanghai Rui Tai Photoelectric Technology Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 9 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.50h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a stated 10,000-square-meter production base and multiple processing machines. It holds an ISO9001:2015 certificate, reports established complaint-handling and corrective-action procedures, and offers broad customization services. Export experience is stated as nine years, with exports representing 51%–70% of sales and markets including South America and Europe. Production quantities and peak-season fulfillment information are provided, but the supplier reports no new products in the past year, no ODM or SDK capability, no overseas agents, warehouses, showrooms, or inventory service. Financial information is incomplete and inconsistent across the supplied records, so financial credibility cannot be confirmed. No specific customer cases or named brand OEM experience are provided.

CertificationsThe supplier reports holding an ISO9001:2015 certificate. This is explicit evidence of a quality-management certification, but no additional certification details or validation information are provided.

After-Sales capabilityThe supplier has clear procedures and followed records for corrective and preventive actions and customer complaint handling. However, the quality-assurance status is unknown, so the evidence supports a positive service-process assessment but not a complete after-sales capability evaluation.

R&D capabilityThe supplier reports no new products during the past year, no ODM service, and no available SDK. These are explicit limitations in recent product innovation and development-related services.

Production capacityThe supplier describes a 10,000-square-meter production base with water-jet, CNC, milling, and other processing equipment, reports 6–10 quality-control staff, and lists production quantities for several product categories. It also states peak-season order fulfillment within 15 working days, providing explicit evidence of production resources and operational capacity.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. These services are reported consistently across the two records, indicating broad customization coverage.