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FAQ

We mainly produce PTFE sheets, tubes, rods, gaskets, tapes, and custom machined parts.

We specialize in manufacturing a full range of PTFE sealing products, covering virgin PTFE sheets, modified PTFE sheets, expanded PTFE (ePTFE) sheets, PTFE tubes & rods, standard PTFE gaskets, PTFE encapsulated gaskets, expanded PTFE tape, PTFE packing, as well as custom-machined PTFE components.

We support customized processing according to drawings and samples to meet diverse industrial sealing requirements.

Yes, we can send you the full specification sheet and catalogue sheet by email.

Absolutely! We can provide complete product specifications including dimensions, density, tensile strength, elongation, temperature resistance and other key performance data.

Kindly share your email address, and we will send the Technical Data Sheet (TDS) to you promptly.

Our in-house laboratory is capable of conducting testing for the following indicators:

Compression & recovery rate, sealing leakage rate, compressive strength, elongation at break, creep relaxation rate, density variation rate, compression set, dielectric breakdown strength and volume resistivity.

Material composition analysis service is also available upon request.

We use high-performance virgin PTFE resin for our pure PTFE products. When sourcing raw materials, we strictly evaluate key indicators including cleanliness, moisture content, particle size and density. Our primary raw material supplier is Shandong Dongyue Group.

We never adopt recycled PTFE or reprocessed materials. Our virgin PTFE boasts outstanding chemical resistance.

As for modified PTFE grades, fillers such as glass fiber and carbon powder are added to greatly improve wear resistance and mechanical strength.

We never produce goods made from recycled or reprocessed raw materials. We adhere to our core philosophy: Diligence brings reward, kindness gains respect, and integrity underpins business. As a manufacturer, we commit ourselves to honest and reliable production.

Different manufacturers adopt different production solutions. Both virgin-material products and recycled-material products are available on the market. Customers can select suitable products according to their actual working conditions.

Modified PTFE sheets can be filled with a wide range of additives such as glass fiber, graphite, carbon fiber, glass beads, barium sulfate, silica and polyimide. These fillers are used to customize material properties, including wear resistance, pressure resistance, high & low temperature resistance, self-lubricity, anti-static performance, anti-cold-flow & anti-creep properties, and mechanical strength.

With uniform combination of PTFE and fillers, the materials deliver reliable sealing performance and superior resistance for diverse engineering machinery applications.

Custom manufacturing is available. We can perform mapping and develop products according to your drawings or samples.

Absolutely. We are equipped with CNC precision machining facilities to manufacture custom PTFE special-shaped parts strictly in accordance with your drawings, samples or specifications.

Please send us drawings in PDF or DWG format with dimensions and tolerance requirements, and we will offer quotations accordingly.

We have an in-house technical R&D team covering material formulation to product certification. Each product is assigned a unique tracking code throughout the whole process: development, production, inspection and delivery. It enables full traceability and guarantees stable dimensional accuracy and consistent performance.

Prices depend on specifications and quantity. Could you tell me the size and quantity you need?

Our prices vary based on product specifications, dimensions, material grade and order quantity. To provide you with an accurate quotation, could you please specify the product type, size/thickness, required quantity and any special requirements? We will send you a detailed quotation within 24 hours.

Our MOQ is flexible. For standard products, we can accept small trial orders.

We have a flexible MOQ policy. For standard-sized products (sheets, tubes, rods, gaskets), we can accept small trial orders for quality evaluation. For custom-machined parts, the MOQ depends on complexity and material cost. We are happy to discuss based on your specific needs.

Yes, we offer quantity discounts. The larger the order, the better the price.

Certainly. We offer tiered pricing based on order quantity. Larger orders qualify for better unit prices. Once you confirm the required quantity, we will provide our best quotation with applicable discounts.

Our standard payment term is 30% deposit in advance, 70% balance before shipment by T/T.

Our standard payment terms are as follows:

30% deposit by T/T in advance to confirm the order

70% balance by T/T before shipment

Our acceptable payment method is T/T (Telegraphic Transfer). Sorry to inform you that our company does not support L/C payment terms.

We regret that our company policy does not allow L/C settlement at present. Our standard payment term is 30% T/T deposit, 70% balance before shipment. We sincerely hope we can reach an agreement on payment terms and start cooperation.

Standard products: 7-15 days. Custom parts: 15-25 days, depending on quantity.

For standard-sized PTFE sheets, tubes, rods and gaskets in stock: 3-7 days

For standard production orders: 7-15 working days

For custom-machined special-shaped parts: 15-25 working days, depending on complexity and order quantity

Exact lead time will be confirmed in the quotation.

Our standard quotation is EXW / FOB Ningbo. Freight is at the buyer's cost. We can also arrange shipping for you.

Our standard quotation is based on FOB Ningbo Port, which means the buyer is responsible for ocean freight and insurance. If you need door-to-door delivery, we can arrange it through our forwarder and quote the freight separately. We also accept EXW terms if you have your own forwarder in China.

We usually ship from Ningbo Port, which is very close to our factory.

We mainly ship from Ningbo Port, as our factory is located in Cixi, Ningbo — only about 1 hour from the port. This ensures fast loading and lower domestic logistics costs. Shanghai Port is also available upon request.

We are a professional PTFE manufacturer with our own factory in Ningbo, China.

We are a professional PTFE products manufacturer with our own production facility in Cixi, Ningbo, Zhejiang. We have our own molding, sintering and CNC machining workshops, which allows us to control quality and delivery time directly. Welcome to visit our factory anytime.

Yes, we are ISO 9001 certified. We can provide the certificate for your reference.

Yes, our factory is ISO 9001:2015 certified. We also have relevant material test reports and quality control documents. We can provide the certification copies and test reports along with the quotation for your review.

Absolutely welcome! Please let us know your schedule in advance.

You are more than welcome to visit our factory at any time. Please let us know your planned visit date and we will arrange a factory tour, introduce our production lines and quality control processes, and discuss your requirements face to face. We can also assist with hotel booking and airport pickup.

We can provide samples for standard products. However, we cannot provide samples for custom machined parts. You only need to pay the courier fee.

Yes, we can provide free samples for standard-sized products (small pieces of sheet, tube, rod or gasket) for quality evaluation. The sample itself is free, but we would appreciate it if you could cover the courier cost. For custom parts sample fee is required and you need to bear the courier cost.

Standard samples: 3-5 days. Custom samples: 7-10 days.

For standard products in stock: samples can be sent out within 1-3 working days

For standard production samples: 3-5 working days

For custom-machined samples: 7-10 working days, depending on complexity

We offer full after-sales support. If there are quality issues, we will replace or refund.

We have strict quality control at every production stage, and all products are inspected before shipment. If any quality issues are found upon receipt, please contact us immediately with photos and detailed descriptions. We will investigate promptly and provide solutions including replacement, rework or refund, depending on the situation. Customer satisfaction is our top priority.

We guarantee product quality against manufacturing defects. Please contact us if any issues arise.

We warrant that all products are free from manufacturing defects and meet the agreed specifications. If any product fails to meet the agreed quality standards due to our manufacturing fault, we will take full responsibility and provide a solution — whether replacement, rework or refund — in a timely manner.

Yes, we can provide technical suggestions based on your application requirements.

Certainly. With years of experience in PTFE sealing and machining, we can provide technical support and suggestions for material selection, structural design and tolerance optimization based on your application requirements (temperature, pressure, medium, etc.). We can help optimize the design for better performance and cost efficiency.

Yes, PTFE has excellent resistance to almost all chemicals and can work from -180°C to +200°C.

Absolutely. PTFE is known for its exceptional chemical resistance — it is inert to almost all acids, alkalis and organic solvents. It also has a wide working temperature range from -180°C to +200°C continuously, making it ideal for harsh industrial environments. Modified grades further enhance specific properties like wear resistance and mechanical strength.

We are open to discussing exclusive distribution for established partners with proven sales performance.

We are open to discussing exclusive distribution partnerships. Typically, we start with a trial cooperation period to establish mutual trust and verify market potential. Once both sides are satisfied with the sales performance and cooperation, we can discuss an exclusive distribution agreement for your country/region with annual sales targets.

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