Is OEM/ODM service available?

Yes, both OEM and ODM services are available.

What certifications does the product have?

The product is certified with RoHS.

Sapphire Step Window with Thin Step

Name: Sapphire Step Window with Thin Step
Brand: Changchun Yutai Optics Co., Ltd.
SKU: 771371072

Jilin, ChinaChangchun Yutai Optics Co., Ltd.

US$3.50-3.90

100,000 Pieces

Product profile

Customization

Available

Usage

Medical, Optical

Type

Concave Lens

Model NO.

yt476

Transmittance

90%-95%

Shape

Single-lens

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS

Customized

Coating

Color

Transparent

Polished

Yes

Diameter Tolerance

+0.0/-0.15 mm

Thickness Tolerance

+/-0.1mm

Surface Quality

60/40,40/20 or Better

Centring Error

<3 Arc Minute

Bevel

0.25mm×45 °

Clear Aperture

90%

Transport Package

Safety Green Carton

Origin

Changchun

HS Code

9001909090

Production Capacity

40000/Year

Key features

Customizable Specifications: Customized color, polished surface, diameter and thickness tolerances available.

High Optical Performance: Transmittance 90%-95%, clear aperture >95%, surface quality 60/40 or better.

Professional Quality Control: Advanced testing with ZYGO and interferometers; testing reports provided for each batch.

Wide Application Range: Suitable for UV/IR optical devices, medical, optical instruments, and laser systems.

Flexible Coating Options: Available with HC coating or uncoated, customized as per customer request.

Reliable Manufacturing: Experienced engineers and advanced machines ensure high-precision optical components.

Secure Packaging: Standard carbon envelope with plastic foam or safety green carton for protection.

Company profile

Changchun Yutai Optics Co., Ltd.

Jilin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2017-02-08 CertifiedNearest Port: Dalian PortAverage Response Time: ≤0.43h CertifiedTerms of Payment: T/T, PayPal, Western Union

AI-Powered supplier vetting

SummaryChangchun Yutai Optics Co., Ltd. is a China-based limited company established in 2015, with 11 employees and more than 10 production lines. It offers a broad range of optical products and materials, including lenses, windows, mirrors, filters, prisms, wafers, coatings, beamsplitters, and IR optics. The supplier reports exports to Europe and North America, with exports representing 51%–70% of total sales and self-operated import/export rights. Production information indicates substantial stated output across several optical product categories. Its capabilities are supported by advanced milling, polishing, and inspection equipment, technology links with Changchun optical and university institutions, vertically integrated manufacturing, and platforms covering custom design through volume manufacturing. ISO9001 is referenced as a management system objective or framework, but certification holding is not explicitly confirmed. Evidence is insufficient to verify after-sales performance, financial credibility, or...

Supplier typeThe supplier is identified as Changchun Yutai Optics Co., Ltd., a Chinese limited company classified as a combined business entity and engaged in industrial equipment and components. Its stated product keywords and descriptions establish it as an optical-product manufacturer and supplier.

R&D capabilityEvidence supports technical capability through a broad range of optical materials and products, technology support from optical and university institutions, advanced milling, polishing, and inspection equipment, and multiple technology platforms. The supplier also describes a process spanning custom design, pilot production, and volume manufacturing, indicating demonstrated development infrastructure.

Production capacityThe supplier reports more than 10 production lines, stated output across lenses, filters, prisms, windows, and mirrors, vertically integrated manufacturing facilities, advanced production equipment, and stock availability for tens of thousands of lenses. These details provide explicit evidence of established production capacity and breadth.

Customization capabilityThe supplier offers specialized and varied optical products, including IR, toroidal, cylindrical, telecentric, beam-expander, and machine-vision lenses, and explicitly describes a workflow from custom design through pilot and volume manufacturing. This supports a positive assessment of customization capability.

Product Q&A

Q:What materials are available for the step window?

Materials include Sapphire, H-K9L, ZnSe, Germanium, Silicon, and other UV/IR materials.

Q:Can the product be customized?

Yes, customization is available for color, polished surface, diameter tolerance, thickness tolerance, surface quality, centring error, bevel, and clear aperture.

Q:What is the lead time for delivery?

Delivery is within 30 days, depending on the quantity. Peak season lead time is 1-3 months, while off-season is one month.

Q:What are the payment terms?

Payment terms include T/T, PayPal, and Western Union.

Q:What is the optical transmittance?

The transmittance is between 90% and 95%.