Ready-to-ship designs: 10 pcs per color per model, with a total minimum order of 30 pcs.

OEM customized designs:

• Wood / Carbon Fiber: 100 pcs per model
• Acetate / Metal: 300 pcs per model
• Plastic / TR90: 1,200 pcs per model

If you want to order, please visit our website (www.shengmingglasses.com) or our factory, you are welcome to contact us for detail, thanks.

Our company is registered in Shenzhen. Our factory is located on the 3rd and 4th floors of Building 1, No. 10, at the intersection of Taiyuan Street and Hejing Road, Yuanshan Subdistrict, Longgang District, Shenzhen, Guangdong Province, China. We currently have between 100 and 150 employees.

Our factory holds and complies with the following certifications and standards:

• ISO 9001:2015 – Quality Management System
• CE – European health, safety, and environmental standards for eyewear
• ROHS – Restriction of Hazardous Substances (for frame and lens materials)
• UV400 – Full UV protection (blocks 99–100% of UVA/UVB rays up to 400nm)
• UKCA-UK Market Compliance Requirements for Eyewear Products

For the first order, it is about 3 month. Reorders, it is about 60 to 90 days or a bit more, it's depends on the material lead time，especially for the acetate material. You are welcome to contact us for detail, thanks.

We can provide a detailed price list upon request with your expected MOQ and target market. Please kindly contact our sales teams for further details.

Our factory operates 4 workshops:

• Custom samples workshop – dedicated to rapid prototyping and custom sample making
• Acetate workshop – specializing in acetate frame production
• Metal workshop – specializing in metal frame production
• High-end luxury custom design workshop – focusing on premium and luxury custom eyewear

Monthly production capacity: Over 150,000 pieces.

Design capability: Our in-house design team launches 10 new models every season.

Payment: Bank transfer.

Payment terms: Usually 50% deposit before production, 50% balance before shipment for the bulk orders (large amounts can be negotiated).

Production Standards: CE.

Quality Control: Hinges with smooth operation; frame and Lenses that are not broken; metal finishes with color fastness.

Quality Assurance: The Seller warrants that all products shall be free from material and workmanship defects for a period of 24 months from the date of delivery. This warranty covers repairs or replacement at Supplier's discretion.

Covered Defects: Acetate fracture, color fading, lens cracking, hinge breakage, metal plating peeling, and weld splitting.

Exclusions: Human damage, accidental damage, or normal wear and tear.

Shipping time:

• By express (DHL/FedEx/UPS): Normally 3–7 days
• By air: Normally 7–15 days
• By sea: 25–40 days (available upon request)

Shipping cost: Calculated based on confirmation of order quantity, destination, and shipping method.

We do not support dropshipping. We support bulk shipments.

Yes, we only have a limited amount of stock on hand; we primarily focus on custom orders. Some of the companies we have long-term partnerships with include THEO, among others.

Lens options: Nylon, CR39, TAC, PC, AC.

Polarized lens price: Please contact our sales team for further details.

Our products are produced in a strict quality control system and the defective rate will be less than 1%.

During the guarantee period, we will send new sunglasses with new orders for small quantities.

For defective batch products, we will repair them and resend them to you, or we can discuss the solution according to the real situation.

If you have any other problem, feel free to contact us. We will try our best to solve the problem for you.

Bio-acetate, recycled stainless steel, and plant-based TR90 are available to use. Production follows ROHS.

Full traceability for acetate, metal, screws, hinges, and lenses.

We’ll provide long-term partnership benefits and policies like prices, payment terms and services, etc. Please contact our sales team for further details.