Q4: Do your sunglasses meet international quality and safety standards?

Our total annual output exceeds 20 million pieces. For our primary injection styles, our capacity is between 800,000 and 1,000,000 pieces per month, while our metal production lines output 400,000 to 600,000 pieces per month. This large-scale capability allows us to support high-volume orders for global supermarkets and chain stores reliably.

We offer a complete product and packaging one-stop service. Our R&D team develops over 50 new sample designs per month based on market research and trend analytics. We fully support custom frames, lenses, and LOGO customization to match your exact brand identity.

We pride ourselves on speed and efficiency. We offer fast sample-making within 7 to 15 days. If your project requires a new mold, it typically takes 20 to 30 days. For bulk order production, our standard lead time is 30 to 60 days.

Absolutely. We strictly follow quality control steps from raw materials (IQC) to finished products (OQC). Our factory and products hold comprehensive professional qualification certificates, including CE, FDA, ISO 9001, ISO 13485, BSCI, SMETA, and the Global Recycled Standard.

Yes, Wenzhou Zhantai Glasses has over 30 years of company history and extensive experience manufacturing for top supermarkets, ecommerce platforms, and global brands. Our recognized quality control has earned us partnerships with industry leaders like Walmart, Disney, Muji, Safilo, and QUAY. By working with us, you receive factory prices with no middlemen.

We work with a wide variety of materials across our 3 production lines. Our capabilities include injection PC and TR, metal, acetate, and eco-friendly materials. This diverse material expertise allows us to meet the specific price points and design requirements of different fast-fashion brands and supermarkets.

Our main products are sunglasses, optical glasses, and reading glasses. While we specialize in injection sunglasses for retail chains, we also have dedicated production lines for optical frames and reading glasses to provide a comprehensive eyewear catalog.

As an OEM/ODM factory focusing on large-scale production, our standard MOQ is 1200 pieces per model for 3-4 colors. However, we offer flexible solutions for trial orders or specific customization needs. Please contact our sales team to discuss your project.

Yes, we do. In addition to our main 10,000-square-meter headquarters in Wenzhou, China, we also operate a specialized manufacturing facility in Thailand. Having a dual-country production strategy allows us to provide our global clients with highly flexible supply chain solutions, optimize import logistics, and mitigate international trade risks (such as tariffs). This ensures uninterrupted, high-capacity delivery for major supermarkets and brands.

Wenzhou Zhantai Glasses was founded in 1990, giving us over 30 years of deep expertise in eyewear manufacturing. Our headquarters covers a construction area of over 20,000 square meters and employs more than 500 skilled workers. Thanks to the trust of our global clients, we maintain a highly stable operational status; our annual turnover continues to grow steadily, reaching $40 million in 2025, with a projected figure of $45 million in 2026. We are a financially strong and scalable partner ready for long-term collaboration.