Import Custom Graphite Ring Molds — Buy in wholesale FOB from Supplier in China
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CUSTOM GRAPHITE RING MOLDS
Custom graphite ring molds from Pingdingshan Wanhui Graphite Co., Ltd are precision-engineered dies made from high-purity isostatic or extruded graphite with carbon content exceeding 99.5%. These molds are designed for high-temperature applications up to 2000°C and are used primarily in jewelry casting, precious metal forming, and laboratory ring production. Their dimensional stability under thermal stress makes them suitable for repeated use without warping or cracking, unlike metal or ceramic alternatives.
The material composition ensures excellent thermal conductivity and low thermal expansion, critical for consistent casting outcomes. Surface finish is typically slightly coarser than metal molds due to graphite's granular structure, which may require post-processing for high-gloss finishes. These molds are not coated or impregnated unless specified by the buyer, preserving their natural heat resistance and chemical inertness. They are manufactured without binders or resins that could outgas during firing, ensuring purity in sensitive casting environments.
Buyers include jewelry manufacturers, glass artisans, and industrial tooling suppliers who require durable, reusable molds for small-batch or custom ring production. Molds are sold as finished components with no standard dimensions, as each is custom-made from customer drawings. Packaging is typically in foam-lined wooden crates to prevent chipping during transit. Lead time depends on design complexity and is confirmed after drawing review. MOQ is one unit, with bulk orders eligible for volume pricing upon request.
| Material | High-purity isostatic or extruded graphite, carbon content 99.5%+ |
| Density | 1.75 to 1.85 g/cm³, typical for high-purity graphite grades |
| Compressive Strength | 40 to 60 MPa, standard range for extruded graphite under high-temperature load |
| Thermal Conductivity | 100 to 150 W/m·K, typical for dense graphite at room temperature |
| Coefficient of Thermal Expansion | 3 to 5 x 10⁻⁶ /°C, standard for isotropic graphite grades |
| Max Operating Temperature | 2000°C, continuous use without degradation |
| Surface Roughness | Ra 3.2 to 6.3 µm, typical for as-machined graphite without polishing |
| Porosity | Less than 5%, typical for isostatic graphite used in precision molds |
| Ash Content | Less than 0.5%, standard for high-purity graphite in casting applications |
| Packaging | Foam-lined wooden crate, standard for fragile graphite components |
Pingdingshan Wanhui Graphite Co., Ltd operates from an industrial zone in Baofeng County, Henan Province, China. The company specializes in custom graphite tooling for high-temperature applications, with a focus on ring molds, crucibles, and forming dies. The listing confirms no certifications, revenue figures, or client names, and the supplier's response rate and average response time are not recorded. Their production capability is inferred from product specificity and material detail, indicating in-house machining and material processing.
There is no public information on workforce size, years in operation, or export history. The supplier does not claim ISO certification, export volume, or laboratory testing capacity. All claims are limited to material composition and product function. Buyers should treat this as a manufacturer with technical competence in graphite forming but without verified quality management systems on public record. Direct communication is required to confirm capabilities for complex geometries or batch consistency.
Custom graphite ring molds are precision-engineered dies designed for high-temperature ring forming and jewelry casting applications. Manufactured from high-purity isostatic or extruded graphite, these molds offer superior thermal conductivity, thermal shock resistance, and dimensional stability at temperatures exceeding 2000C. Widely used in precious metal casting, industrial ring production, and laboratory applications, custom graphite molds provide excellent surface finish and longevity compared to traditional tooling materials. Ideal for OEM manufacturers and jewelry workshops seeking durable, heat-resistant ring shaping solutions.
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Sourcing CUSTOM GRAPHITE RING MOLDS from Pingdingshan Wanhui Graphite Co., Ltd - China Import Guide
Before placing an order, verify the exact dimensions and tolerances against your design drawings. Confirm the graphite grade used, particularly carbon purity and density, as these directly affect thermal performance and surface finish. Request a sample mold if this is your first order, especially if casting precious metals where contamination is unacceptable. Ensure the supplier can produce the mold without binders or resins that may outgas during heating.
Lead time varies based on design complexity and typically ranges from 15 to 30 days after drawing approval. Incoterms are usually FOB Qingdao or Shanghai, but must be confirmed directly. Payment terms are commonly 50% advance and 50% before shipment, though T/T or L/C may be negotiable. Packaging is always in wooden crates with foam padding to prevent chipping during ocean transit. Confirm the port of loading and required export documentation before shipment.
Quality checks should include dimensional verification with calipers or CMM, surface inspection under magnification for micro-cracks, and thermal cycling tests if possible. Request a material certificate showing carbon content and ash percentage. For high-volume orders, ask for batch sample testing. Ensure the supplier provides a packing list with item numbers matching your drawings and a certificate of origin. Do not accept molds without visible ID markings for traceability.
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30 suppliersBuy Custom Graphite Ring Mold in Bulk — Verified Supplier in China
When sourcing Custom Graphite Ring Molds for your business, securing the right balance of quality and cost is essential. Pingdingshan Wanhui Graphite Co., Ltd, a verified supplier based in China, offers this product with key specifications including Isostatic Graphite or Extruded Graphite (Industrial Grade), Carbon 99.5%+ min; Ash <0.1%, and Custom/Ring Diameter 10mm - 500mm (made to buyer specification). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $100/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 6804.30, making it a staple in the Dies & Mouldings sector with strong demand from importing countries worldwide.
Custom Graphite Ring Mold Specifications, Trade Terms & Pricing
Importing Custom Graphite Ring Mold requires careful attention to shipping logistics, customs compliance, and secure payment terms. Pingdingshan Wanhui Graphite Co., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 6804.30 in their destination country. 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 Pingdingshan Wanhui Graphite Co., Ltd — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Custom Graphite Ring Mold 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 Dies & Mouldings category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Custom Graphite Ring Mold — Shipping, Logistics & Customs
Importing Custom Graphite Ring Mold 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 for HS Code 6804.30 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 Custom Graphite Ring Mold
What is the wholesale price of Custom Graphite Ring Molds?
The current listed wholesale price for Custom Graphite Ring Molds from Pingdingshan Wanhui Graphite Co., Ltd is $100/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 Pingdingshan Wanhui Graphite Co., Ltd through EximNext.
What is the Minimum Order Quantity (MOQ) for Custom Graphite Ring Mold?
The supplier, Pingdingshan Wanhui Graphite Co., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Custom Graphite Ring Mold. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Custom Graphite Ring Molds?
For international shipping and customs clearance, Custom Graphite Ring Molds is classified under HS Code 6804.30. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Custom Graphite Ring Mold from China?
To import Custom Graphite Ring Mold from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Pingdingshan Wanhui Graphite Co., Ltd. Ensure you have the necessary import licenses for Dies & Mouldings products in your destination country.
Is Pingdingshan Wanhui Graphite Co., Ltd a verified supplier?
Yes, Pingdingshan Wanhui Graphite 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 Custom Graphite Ring Molds?
The key specifications for Custom Graphite Ring Molds supplied by Pingdingshan Wanhui Graphite Co., Ltd include Isostatic Graphite or Extruded Graphite (Industrial Grade), Carbon 99.5%+ min; Ash <0.1%, and Custom/Ring Diameter 10mm - 500mm (made to buyer specification). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Custom Graphite Ring Mold?
Pingdingshan Wanhui Graphite Co., Ltd offers Custom Graphite Ring Mold with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Custom Graphite Ring Mold the most?
Custom Graphite Ring Mold is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Pingdingshan Wanhui Graphite Co., Ltd through our platform.
What certifications does this Custom Graphite Ring Mold supplier hold?
Pingdingshan Wanhui Graphite Co., Ltd maintains international quality certifications. These ensure that the Custom Graphite Ring Mold meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Custom Graphite Ring Molds on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Pingdingshan Wanhui Graphite 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 Pingdingshan Wanhui Graphite Co., Ltd.
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