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About Us

Ningbo Kaxite Sealing Materials Co., Ltd. is based in Ningbo, Zhejiang Province, China. Kaxite is one of the biggest sealing and heat preservation products manufacturer in China. Kaxite supply the overall solution of Metal Gaskets, Non-metallic Gaskets, Braided Packings, Compressed Gasket Sheets. To assure create more valve for customers from all over the world.
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Kaxite Company
ISO 9001:2015 Certified

China Sealing Solutions Manufacturer – Gaskets, Packing & PTFE Seals

Trusted supplier of spiral wound gaskets, braided packing, compression sheets, and PTFE seals for oil & gas, chemical, power generation, and marine industries. 25+ years of engineering expertise with global export to 40+ countries.

MOQ: 50 pcs Lead Time: 7-15 days FOB Ningbo / EXW / CIF Custom Engineering & OEM/ODM

Why Industry Leaders Choose Kaxite

  • ✅ ISO 9001:2015 Certified
  • ✅ 25+ Years of Sealing Manufacturing
  • ✅ In-house R&D and Testing Lab
  • ✅ Supplying to 40+ Countries Worldwide
  • ✅ ASME B16.20, API 607, NACE MR0175 Compliant
  • ✅ Custom Engineering & OEM/ODM Capabilities
ISO 9001 ASME API NACE China Factory

Frequently Asked Questions

Q: What sealing products do you manufacture?
A: Spiral wound gaskets, ring joint gaskets, kammprofile gaskets, expanded graphite gaskets, PTFE gaskets, braided packing, compression sheets, and custom-machined PTFE/PEEK seals.
Q: Can you provide custom sizes and materials?
A: Yes. We offer full OEM/ODM services – any size, thickness, or compound. Our engineering team works from your drawings or specifications.
Q: What is your typical lead time?
A: Standard orders: 7-15 days. Samples: 3-5 days. Expedited shipping available for urgent projects.

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Why Choose Kaxite

Your trusted partner for high-performance sealing solutions

Quality Control KAXITE provides high quality sealing products through strict quality checks at every step of production.
OEM & ODM Over 30 years OEM & ODM experience for global customers from the Middle East, USA, and Europe.
Competitive Price We 100% guarantee competitive prices on our high quality sealing products. Friendly, qualified representatives ensure excellent service.
Prompt Feedback Our professional tracking system and easy-to-reach staff provide customers with prompt updates on orders.

Kaxite by the numbers

2M+
Annual output (pcs)
99.7%
Quality pass rate
3000mm
Max gasket OD
50+
Materials in stock

Frequently Asked Questions

Everything you need to know about our sealing solutions and services

Q

What is the maximum diameter of spiral wound gasket you can produce?

We can produce spiral wound gaskets up to 3000 mm (118 inches) outer diameter. Custom larger sizes are available upon request.
Q

Do you provide gaskets compliant with ASME B16.20?

Yes, all our spiral wound gaskets are manufactured strictly according to ASME B16.20 and API 601 standards. We can also supply gaskets per DIN, BS, and JIS standards.
Q

What is your lead time for custom orders?

Standard lead time is 15-20 working days for custom gaskets. Express service (7-10 days) is available for urgent projects with additional cost.
Q

Can you produce gaskets with inner and outer rings?

Absolutely. We manufacture spiral wound gaskets with inner ring only, outer ring only, or both inner and outer rings. Ring materials include carbon steel, stainless steel 304/316, Inconel, Monel, and more.
Q

Do you offer free samples?

Yes, we provide free standard sample gaskets for quality evaluation. Custom sample fees may apply, but they will be refunded upon bulk order.
Q

What certifications does Kaxite hold?

Kaxite is ISO 9001:2015 certified. Our products comply with API 607 fire safety, FDA (for PTFE materials), and ABS/DNV GL marine approval upon request.
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