Import Double-Convex Lens — Buy in wholesale FOB from Supplier in China
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Changchun Yutai Optics Co., Ltd., based in Jilin Province, China, manufactures double‑convex lenses with diameters ranging from 5 mm to 500 mm. The lenses can be supplied in BK7, fused silica, germanium, silicon or calcium fluoride, each finished to a surface figure of λ/2. Diameter tolerance is held at +0.01 mm / -0.01 mm, thickness tolerance at ±0.1 mm, and paraxial focal length tolerance within ±2 percent, while centration is guaranteed at 90 percent.
In the optics industry, BK7 is a common crown glass with a refractive index of about 1.517 at the sodium D‑line, and fused silica is valued for its low thermal expansion. Surface quality of 60‑40 scratch‑and‑dig or better aligns with the standard for precision imaging components. Protective bevels of 0.25 mm at 45° are routinely applied to ease handling, and customers may request anti‑reflection or broadband coatings, which are applied according to their own specifications.
These lenses are typically used in imaging systems, laser collimation assemblies, microscopy objectives and scientific instrumentation, making them attractive to OEMs, research laboratories and system integrators. Buyers should confirm minimum order quantities, packaging details and incoterms directly with the supplier, as these terms are not listed in the public data. Payment conditions and lead times are also subject to negotiation on a case‑by‑case basis.
| Material | BK7, Fused Silica, Germanium, Silicon, Calcium Fluoride |
| Diameter | 5 mm - 500 mm |
| Diameter Tolerance | +0.01 mm / -0.01 mm |
| Thickness Tolerance | ±0.1 mm |
| Paraxial Focal Length Tolerance | ±2 % |
| Surface Figure | λ/2 |
| Centration | 90 % |
| Surface Quality | 60‑40 scratch‑and‑dig or better (typical for precision optics) |
| Protective Bevel | 0.25 mm × 45° |
| Coating | Custom coating per customer request (typical options: anti‑reflection, broadband) |
Changchun Yutai Optics Co., Ltd. is located in Changchun, Jilin Province, China. The company is listed under the harbor trust tier and currently shows a response rate of 0 percent, indicating that enquiries may not be answered promptly through the platform.
The supplier advertises a catalogue of optical components, focusing on lenses made from a range of glass and crystal materials. All technical parameters such as diameter, tolerance and surface quality are supplied by the buyer, and the company offers custom coating services. No additional certifications, production capacities or client references are disclosed in the listing.
| 企业类型 | Supplier |
| 成立年份 | Contact Supplier |
| Employees | Contact Supplier |
| Annual Revenue | Contact Supplier |
| Main Products | View Products Tab |
| Major Markets | Global |
| 响应时间 | <4h |
| 响应率 | Contact Supplier |
Sourcing Double-Convex Lens from Changchun Yutai Optics Co., Ltd. - China Import Guide
Before placing an order, verify the exact material grade, surface figure and coating specifications required for your system. Request a sample drawing or CAD file to confirm that the lens dimensions and tolerances meet your design. It is also advisable to ask for a material test report, especially when using germanium or calcium fluoride, to ensure optical performance.
Discuss logistics early: confirm the preferred Incoterm (e.g., FOB, CIF), the expected lead time for the chosen material and coating, and the payment terms that suit both parties. Because the supplier’s response rate is currently zero, arrange a direct email or phone contact to secure clear agreement on shipping dates and freight responsibilities.
Plan for quality assurance by arranging a third‑party inspection before dispatch, and request the relevant certificates such as ISO 9001 or material test certificates. Insist on a final acceptance test that measures diameter, surface figure and coating performance against the agreed tolerances. Proper documentation will smooth customs clearance and protect your downstream production.
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30 suppliersBuy Double-Convex Lens in Bulk — Verified Supplier in China
When sourcing Double-Convex Lens for your business, securing the right balance of quality and cost is essential. Changchun Yutai Optics Co., Ltd., a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $1/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Optical Lenses sector with strong demand from importing countries worldwide.
Double-Convex Lens Specifications, Trade Terms & Pricing
Importing Double-Convex Lens requires careful attention to shipping logistics, customs compliance, and secure payment terms. Changchun Yutai Optics Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Changchun Yutai Optics Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Double-Convex Lens has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Optical Lenses category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Double-Convex Lens — Shipping, Logistics & Customs
Importing Double-Convex Lens requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Double-Convex Lens
What is the wholesale price of Double-Convex Lens?
The current listed wholesale price for Double-Convex Lens from Changchun Yutai Optics Co., Ltd. is $1/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Changchun Yutai Optics Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Double-Convex Lens?
The supplier, Changchun Yutai Optics Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Double-Convex Lens. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Double-Convex Lens?
The HS Code classification for Double-Convex Lens depends on the specific grade and form. Contact Changchun Yutai Optics Co., Ltd. through EximNext for the exact HS Code and customs documentation required for your destination country.
How can I import Double-Convex Lens from China?
To import Double-Convex Lens from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Changchun Yutai Optics Co., Ltd.. Ensure you have the necessary import licenses for Optical Lenses products in your destination country.
Is Changchun Yutai Optics Co., Ltd. a verified supplier?
Yes, Changchun Yutai Optics Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Double-Convex Lens?
For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Changchun Yutai Optics Co., Ltd. through EximNext.
What packaging options are available for bulk orders of Double-Convex Lens?
Changchun Yutai Optics Co., Ltd. offers Double-Convex Lens with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Double-Convex Lens the most?
Double-Convex Lens is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Changchun Yutai Optics Co., Ltd. through our platform.
What certifications does this Double-Convex Lens supplier hold?
Changchun Yutai Optics Co., Ltd. maintains international quality certifications. These ensure that the Double-Convex Lens meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Double-Convex Lens on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Changchun Yutai Optics Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Changchun Yutai Optics Co., Ltd..
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