Factory prices for designer sunglasses are rarely determined by the product category alone. Quotations reflect the combination of product design, materials, branding, testing, order volume, manufacturing requirements, and delivery terms. For a model such as vintage square sunglasses with a TR90 frame, UV400 lenses, and a custom logo, the final price depends on the precise specification and the level of OEM or ODM support required.
Buyers should treat a factory quotation as a price for a complete product and service package. Two sunglasses may look similar but still require different molds, materials, decoration methods, inspections, or shipping arrangements. These differences explain why supplier offers can vary substantially.
A standard frame with a simple logo application generally requires less development than a fully customized product. Exclusive molds, new frame structures, special color matching, upgraded materials, and brand-specific styling can all add design and sampling work. A custom-logo project is therefore not automatically the same as a complete OEM or ODM development program.
The product brief also has a direct effect on the quotation. The featured model is described as vintage black driving sunglasses for men and women, with a large square shape, TR90 frame, UV400 lenses, and custom-logo capability. Changing the frame material, lens performance, color, dimensions, or other features may alter both the component cost and the production process.
Order quantity affects purchasing, scheduling, labor allocation, and the commercial terms offered by a factory. Yiwu Green Shine Arts reports standardized workshops, established assembly lines, experienced workers, and annual output of more than 3 million pairs of sunglasses. This capacity can support bulk OEM and ODM cooperation, although it does not by itself define the minimum order quantity or price for a particular model.
Inspection expectations should be clarified before comparing offers. The company describes product development and testing related to lens UV protection, impact resistance, wearing comfort, and frame durability. A quote based on routine factory inspection may differ from one that includes additional laboratory tests, documentation, or buyer-specific quality checks.
Shipping can significantly change the landed cost. Sea freight, land transport, and air freight provide different balances of price, speed, and service. Buyers should confirm whether transportation is included and compare quotations using the same delivery basis, such as the same destination and shipping method.
| Cost Factor | More Basic Requirement | More Advanced Requirement | What Buyers Should Check |
|---|---|---|---|
| Design development | Existing frame and standard product details | New structure, exclusive tooling, or extensive design changes | Confirm whether design, sampling, and mold costs are included. |
| Logo customization | Standard product without branding | Custom logo with coordinated brand decoration | Specify the logo position, application method, artwork, and related charges. |
| Materials and features | Factory-standard frame and lens configuration | TR90 frame, UV400 lenses, special colors, or upgraded components | Compare complete specifications rather than relying on product photos. |
| Inspection scope | Normal in-house quality inspection | Extra testing for UV protection, impact resistance, comfort, or durability | List all required tests and determine which party pays for them. |
| Transportation | Economical sea shipment | Air freight or another expedited delivery option | Separate the ex-factory product price from freight and delivered cost. |
To make supplier quotations easier to evaluate, buyers should send every factory the same product brief. This should include the frame shape and material, lens standard, logo treatment, color requirements, design source, expected order details, inspection plan, destination, and preferred transportation method. A consistent brief reduces misunderstandings and reveals whether a lower price is based on omitted features or services.
Why do factories quote different prices for sunglasses that look alike?
The offers may cover different materials, development work, branding processes, testing standards, order quantities, production schedules, or shipping terms. Similar appearance does not prove that the specifications are identical.
Is a custom logo the same as a fully customized sunglasses project?
No. Applying a logo to an existing model is usually less extensive than creating a new OEM or ODM product with exclusive molds, revised materials, matched colors, and a personalized brand design.
Which details should be confirmed before accepting a quotation?
Confirm the frame and lens specifications, logo method, development scope, order conditions, inspection responsibilities, lead time, Incoterms, and shipping charges. These details help establish a reliable like-for-like comparison.
The large differences between designer sunglasses factory quotes usually come from differences in the underlying specification and service scope. For the vintage square custom-logo model, buyers should compare the TR90 frame, UV400 lens requirement, branding details, inspection arrangement, order conditions, and delivery method on the same basis.
Yiwu Green Shine Arts supports OEM and ODM cooperation and identifies its business model as Ecosystem, Global Reach, Supply Chain. For technical consultation or project support, contact leoxiao@cngreenshine.com.
Yiwu Green Shine Arts & Crafts Co., Ltd. was founded in 2016 in Yiwu, Zhejiang Province. The company specializes in fashion eyewear, including sunglasses, optical frames, acetate sunglasses, children’s sunglasses, and reading glasses. It provides OEM and ODM services and mainly exports to the United States, Spain, Germany, Australia, Italy, France, and Ireland. Its reported annual production capacity is more than 3 million pairs of sunglasses.

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