More than 500 motivated and experienced employees bring their best to bear in the areas of mold processing, injection molding, ultrasonic cleaning, painting, metal welding, grinding and polishing, sheet cutting, assembly, lettering, quality control, and packaging.
For these hard-working and skilled engineers, keeping up with the constant improvement and enhancement of eyewear quality is a challenge in itself. But their commitment, passion, and charisma make it all possible.
Zhantai's sales department serves our customers with a "customer-centric" sales philosophy. Our department is composed of professional OEM team, ODM team, purchasing team and design team, each team has professional sales managers who are fluent in various languages. Our members have strong sense of responsibility, enthusiasm, and provide the most detailed and thoughtful service to our customers. Our long-term partners have been praising our services.
Q1: What is your production capacity for OEM/ODM sunglasses orders?
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.
Q2: What kind of customization services do you provide for fast-fashion brands?
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.
Q3: How long is the typical lead time for samples and bulk production?
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.
Q4: Do your sunglasses meet international quality and safety standards?
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.
Q5: Do you have experience working with major global retailers?
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.
Q6: What types of eyewear materials do you manufacture?
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.
Q7: What are your main product categories?
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.
Q8: What is your Minimum Order Quantity (MOQ)?
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.
Q9: Do you have manufacturing facilities outside of China?
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.
Q10: What is your company’s background and manufacturing scale?
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.
Let’s build your vision together. Backed by 30 years of manufacturing excellence, Zhantai Glasses offers the quality and customization your brand needs to stand out. From concept to global distribution, we handle the details so you can focus on growth.
Let's collaborate for exceptional eyewear. We look forward to a meaningful collaboration.
Wenzhou Zhantai Glasses
Beiwei No.2 Street, Ouhai District, Wenzhou City, Zhejiang Province, China.
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