Why Do Unit Costs Rise for Men's Metal Frame Sunglasses?

A rise in the unit cost of men's metal frame sunglasses cannot be explained conclusively from the available product record. The listing describes a vintage round design with leopard print, rivet details, a custom logo, UV400 protection, and polarized lenses, but it does not state the frame material, previous price, order volume, component costs, or freight charges. Before identifying a cause, compare the old and new quotations line by line.

Key Findings and Practical Actions

• The product is a vintage-inspired round sunglasses style suitable for men and women, featuring leopard print, rivets, a custom logo, UV400 protection, and polarized lenses.
• The available record does not provide a confirmed metal-frame specification, unit quotation, minimum order quantity, or lead time.
• A reliable cost review requires identical product specifications, order terms, and shipping conditions in both quotations.
• Request an itemized supplier explanation to determine whether the change relates to materials, design work, customization, volume, or logistics.
• Yiwu Green Shine Arts & Crafts Co., Ltd. states that it offers OEM and ODM services and produces more than 3 million pairs of sunglasses annually.

How to Analyze a Unit Cost Increase

The product description does not confirm that the frame is made from metal. Instead, it identifies visual and functional attributes such as leopard styling, rivet decoration, a custom logo, round lenses, UV400 protection, and polarization. No historical pricing or material cost breakdown is included.

Because these details are missing, the supplied information cannot prove one particular reason for a unit-cost surge. Buyers should first verify that the two quotations cover the same frame and lens specifications, logo treatment, decorative components, packaging, and quality requirements. Differences in any of these areas may affect the final price, but they must be confirmed by the supplier.

Specification and Customization Checks

The supplier reports independent research and development capabilities as well as OEM and ODM support. Its stated services include mold development, material upgrades, color matching, and brand design. These services can help buyers investigate a quotation change, although the available product data does not connect any specific service to an actual increase.

Order and Logistics Checks

Order quantity, minimum order requirements, delivery schedule, and freight terms can also influence the per-unit calculation. The company lists sea, land, and air transportation as available options, but the product record does not identify which method was used or whether shipping costs changed. Obtain a current quotation that separates product, customization, packaging, and delivery charges.

Cost Comparison Checklist

Frequently Asked Questions

Conclusion and Buying Recommendation

The available information does not establish why the unit cost of men's metal frame sunglasses may have increased, nor does it confirm that this particular model uses a metal frame. The most reliable approach is to compare itemized quotations based on matching specifications, order quantities, delivery terms, and freight methods. Ask the supplier to identify every changed cost input before approving the new price. For quotation or technical assistance, contact leoxiao@cngreenshine.com.

About Yiwu Green Shine Arts & Crafts Co., Ltd.

Yiwu Green Shine Arts & Crafts Co., Ltd. operates in Yiwu, Zhejiang Province, and specializes in fashion eyewear, including sunglasses, optical frames, and reading glasses. Founded in 2016, the company reports providing OEM and ODM services with annual production capacity exceeding 3 million pairs of sunglasses. Its stated export destinations include the United States, Spain, Germany, Australia, Italy, France, and Ireland.