Professional Half Rim Optical Frames Manufacturer

 

 

Optical frames are supplied to global eyewear brands, optical retail chains, wholesalers, importers, and private-label operators. Manufacturing and trading operations cover half rim optical frames and a broader portfolio of eyewear styles across multiple materials, including metal, plastic, and acetate, subject to specific model availability.

 

Half rim optical frames, commonly known as semi-rimless eyeglass frames, feature a partially enclosed lens perimeter. In standard constructions, the upper frame rim secures the lens, while a fine, high-tensile nylon cord anchors the lower edge through a precision-milled lens groove. This semi-exposed configuration offers a streamlined visual profile suited for everyday prescription eyewear, corporate collections, and contemporary optical lines.

 

 
  • Custom Semi-Rimless Optical Frames
    Semi-rimless optical frames combine a partially structured upper rim with an exposed lower lens edge, creating a lighter visual profile compared to full-rim designs. This structure requires precise mechanical engineering to balance lens...
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  • Stainless Steel Semi-Rimless Frames
    Stainless steel semi-rimless frames pair a defined metal upper brow line with an open lower lens edge, anchored by a high-tensile nylon cord mounting system. This configuration delivers a lightweight, clean optical profile designed for...
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  • Men's Semi-Rimless Optical Frames
    Precision-engineered men's semi-rimless optical frames designed for reliable prescription lens fitting and professional everyday wear. Combining a structured upper brow bar with an open lower lens rim secured by high-tensile optical...
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  • Rectangle Semi-Rimless Eyeglass Frames
    Rectangle semi-rimless eyeglass frames combine a defined upper brow line with an open lower lens edge, creating a lightweight, architectural profile for professional optical collections. The rectangular geometry offers a structured...
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  • Lightweight Semi-Rimless Eyeglass Frames
    Lightweight semi-rimless eyeglass frames represent a core category within modern optical collections, combining a defined upper frame structure with an exposed lower lens edge. This architecture offers a streamlined, minimalist profile...
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  • Titanium Semi-Rimless Eyeglass Frames
    Titanium semi-rimless optical frames suit collections requiring a slim metal aesthetic without the visual weight of a full-rim structure. The open lower lens edge creates a minimalist profile, while the upper frame provides the main...
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Standard Product Specifications

 

Parameter Category

Technical Specification Detail

Frame Style

Half rim / Semi-rimless optical frame structure

Primary Materials

Metal alloys, cellulose acetate, injection-molded plastics (subject to model availability)

Standard Dimensions

Eye size (lens width): 48mm – 56mm / Bridge width: 16mm – 22mm / Temple length: 135mm – 150mm (customizable)

Lens Retention Method

Upper structural rim enclosure with lower high-tensile nylon cord groove

Hinge Mechanism

Standard barrel hinges, spring hinges, or integrated flex-hinges (per model specification)

Nose-Pad Configuration

Adjustable metal-arm nose pads or molded-in universal bridge fit

Surface Finish Options

Glossy polish, matte finish, electroplated metal coatings, ion plating (IP), or laser patterns

Customization Scope

Laser-etched logo, pad-printed temple branding, custom colorways, and retail packaging

 

OEM and ODM Customization Capabilities

 

Tailored manufacturing solutions cover two distinct project pathways: 

OEM (Original Equipment Manufacturing)

Build products according to proprietary technical drawings, 3D files, or master physical samples. Tooling, material sourcing, component assembly, and custom branding are managed to exact specifications.

ODM (Original Design Manufacturing)

Adapt existing, market-tested frame profiles from the catalog. Modify colorways, material finishes, temple treatments, and packaging to establish unique brand identity without heavy initial tooling costs.

Korean Style Sunglasses

 

Compliance & Testing Standards

Export-ready optical frames must align with destination market regulations. Depending on the target region and distribution channels, standard compliance parameters can encompass:

 
 

Material Safety

Nickel release compliance for metal frames, and adherence to restricted substance lists (such as REACH or RoHS equivalents).

 
 
 

Optical Safety

Mechanical drop-ball testing or impact resistance evaluations for specified frame materials and lenses where applicable.

 
 
 

Traceability & Labeling

Accurate laser-etched sizing, country-of-origin marking, and batch code tracking.

 

 

Quality Control Protocols

 

Manufacturing stability relies on rigorous multi-stage inspection overseeing production from raw material handling to final packaging:

 

Frame Alignment: Verification of front-face symmetry and parallel temple closure.

 

Hardware Stability: Testing hinge screw retention, spring-hinge cycles, and nose-pad security.

 

Surface Defect Audit: Inspection under standardized lighting for plating flaws, micro-scratches, or color variance.

 

Cord & Groove Integrity: Testing retention strength and evaluating groove fit on assembled pilot samples.

 

Dimensional Audit: Random sampling measured against engineering drawings.

Korean Style Sunglasses

 

 
 
Packaging and Shipping Logistics
01.

Protective individual packaging

Bulk optical frames are individually packed in polyethylene sleeves to prevent transit friction, scratching, or structural pressure on hinges and nylon retention cords.

02.

Secure inner box organization

Framed units are organized in compartmented inner boxes designed to maintain structural integrity during transit.

03.

Master carton consolidation

Inner boxes are consolidated into heavy-duty double-walled corrugated master cartons engineered specifically for international freight handling.

04.

Flexible logistics arrangements

Shipping terms, palletization options, and drop-shipping requirements can be arranged based on the destination port and specific logistics preferences.

 

 

FAQ

 

Q: What is the typical Minimum Order Quantity (MOQ) for custom half rim optical frames?

A: MOQ requirements vary depending on the frame material, custom tooling needs, and specific surface finishes. Standard catalog models generally have baseline production minimums, while fully custom OEM projects require volume verification per style and colorway. Confirm specific minimums during the initial quotation stage.

Q: Can half rim frames accommodate high-index or progressive prescription lenses?

A: Yes, provided that the lens edge thickness and groove geometry align with the frame's structural limits. High-prescription lenses require careful edge grinding by your optical laboratory to ensure the lower nylon retention cord fits securely without distorting the frame shape.

Q: How is the lower nylon retention cord replaced or maintained if it breaks?

A: The nylon cord is seated in a precision-milled groove along the lower lens edge and secured at the bridge and endpieces. Qualified optical technicians can replace the cord using standard optical repair tools and matching nylon monofilament wire of the correct tensile diameter.

Q: What customization options are available for private-label branding?

A: Branding options include laser engraving or pad printing on the temples, custom logo integration on temple tips, bespoke color plating or coatings, and customized retail packaging (such as branded cases and cleaning cloths), subject to the chosen model.

Q: What is the standard timeline from sample confirmation to bulk production delivery?

A: Prototyping and sample approval typically take a few weeks depending on design adjustments. Bulk manufacturing lead times depend on order volume, material availability, and seasonal production schedules, which are finalized upon purchase order confirmation.

As one of the most experienced half rim optical frames manufacturers and suppliers in China, we also support customized service. We warmly welcome you to wholesale high quality half rim optical frames at competitive price from our factory. Contact us for more details.

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