What is the minimum order quantity (MOQ)?

The minimum order quantity is 5 PCS.

What are the payment terms?

We accept LC, T/T, D/P, PayPal, Western Union, and Small-amount payment.

What is the lead time for production?

Peak season lead time is within 15 workdays or one month. Off-season lead time is also within 15 workdays or one month.

a Premium and Impact-Resistant Sapphire Glass in Classic Watches

Name: a Premium and Impact-Resistant Sapphire Glass in Classic Watches
Brand: Heyuan Yushi Technology Co., Ltd
SKU: 2252393445

Guangdong, ChinaHeyuan Yushi Technology Co., Ltd

US$1.00-5.00

1 Piece

Product specifications

customization

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Usage

Medical, Optical

Type

Flat Lens

Model NO.

1-1000mm

Transmittance

>95%

Shape

Single-lens

Material

Optical Glass

Lenses Color

Clear

Certification

RoHS, ISO9001

Customized

Coating

Hardness

Mohs Hardness of 9

Material Type

Synthetic Sapphire Glass

Density

3.98 G/Cm³

Refractive Index

1.761.77 (@589nm)

Polishing Grade

Optical (Ra<5nm)/Commercial (Ra<20nm)

Melting Point

2040 °C

Thermal Conductivity

25 - 35 W/(M·K)

Crystal Type

Uniaxial Negative

Transmission Range

0.15 μm - 5.5 μm

Transport Package

Factory-Sealed

Specification

1-1000mm

Trademark

Yuanshi Technology Co., Ltd., Heyuan

Origin

Heyuan

Production Capacity

1000000/Year

Key features

Synthetic Sapphire Material: Made from single crystal alpha-aluminium oxide, offering identical properties to natural sapphire.

Exceptional Hardness: Mohs hardness of 9, second only to diamond, providing superior scratch resistance.

Customizable Options: Supports customization for shape, size, coating, and surface finish to meet specific requirements.

Chemical Resistance: Excellent stability, insoluble in water and resistant to strong acids and bases.

Versatile Applications: Suitable for medical devices, aerospace, semiconductor industry, and high-end consumer electronics.

Certified Quality: Complies with RoHS and ISO9001 standards, ensuring high quality and reliability.

Company profile

High Repeat Buyers ChoiceImporters and ExportersQuality AssuranceManagement Certification

Heyuan Yushi Technology Co., Ltd

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: N/A CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a limited company offering optical lenses, sapphire lenses, sapphire glass, and watch lenses, with registered activities covering optical glass, functional glass, new optical materials, and related manufacturing. It reports a 1,500 m² manufacturing plant, five production lines, and equipment including CNC, grinding, molding, inspection, cleaning, and testing machinery. Customization from samples and designs is available. The supplier has in-stock capability and accepts FOB, CIF, CFR, and EXW terms, but has no overseas warehouse, showroom, agents, branches, or offline trade-show participation. R&D resources appear limited to two years of engineer experience, and no SDK is available. Certification status, customer cases, environmental documentation, fire-drill status, ERP integration, and sustainable-practice implementation are not sufficiently evidenced. A valid manufacturing-capacity contract with related subcontractors is explicitly absent.

Supplier typeThe supplier is identified as a limited company with a combined company type. Its stated activities include optical glass manufacturing, unsealed glass casings, non-metallic mineral products, jewelry manufacturing, and related optical-material sales, indicating a manufacturer with trading-related scope rather than a purely trading entity.

R&D capabilityThe supplier’s scope includes new-materials technology R&D and new optical materials, and it offers customization with listed production and testing equipment. However, no SDK is available, R&D engineer experience is listed as two years, and ERP and sustainable-practice implementation statuses are unknown, so overall innovation strength is mixed and not sufficiently established.

Production capacityProduction evidence includes a 1,500 m² plant, five production lines, optical and glass manufacturing scope, and equipment such as CNC, grinding, molding, ultrasonic cleaning, inspection, and impact-testing machines. In-stock capability is available, although the supplier explicitly lacks a valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This is direct evidence of broad stated customization coverage.

Product Q&A

Q:Is sapphire glass made from real natural sapphire?

No, it is synthetic sapphire crystal created by crystallizing aluminum oxide at high temperatures. It has identical physical properties to natural sapphire but is manmade.

Q:Why is sapphire glass more expensive than standard glass?

The complex manufacturing process makes it more expensive. However, it is a valuable investment due to unparalleled scratch resistance and durability, saving costs on replacements long-term.

Q:What is the primary advantage of sapphire glass?

Its core advantage is Mohs hardness of 9, making it highly resistant to scratches from everyday materials. It also offers excellent optical transmittance and clarity.

Q:Is sapphire glass shatterproof and impact-resistant?

No. High hardness does not equal high impact resistance. It can be brittle and susceptible to cracking from sharp, concentrated impacts. It is specialized for scratch prevention, not drop protection.

Q:What are the customization options available?

We offer full customization including shape, size, coating, and surface finish. Options range from minor customization to full customization based on samples or designs.