In the world of industrial sealing, few applications are as demanding as pump and valve stem sealing. Packing failures lead to fugitive emissions, costly downtime, equipment damage, and safety hazards. Procurement engineers and maintenance teams have long struggled to find the right balance between sealing effectiveness, longevity, and stem compatibility — especially in applications involving aggressive chemicals, high temperatures, or abrasive media.
That is why Ningbo Kaxite Sealing Materials Co., Ltd. was established in 2015 in Ningbo, Zhejiang Province — a global manufacturing hub with direct access to Ningbo Port. Our mission is to develop and manufacture premium braided packings, gland packings, and sealing cords that meet the most stringent performance standards, offering factory-direct pricing, full material traceability, and responsive technical support. Today, we are a trusted partner for industries including oil & gas, petrochemical, power generation, marine, and food processing across 60+ countries.
Today, we are proud to be a trusted braided packing manufacturer for customers across North America, Europe, Asia, and beyond — delivering reliability, consistency, and technical excellence in every product.
Vegetable, synthetic, mineral, PTFE, graphite, carbon, and aramid fibers — matched to your exact service conditions
Custom square, round, and braid patterns — built to your pump and valve specifications with precision
Engineered for water, steam, chemicals, oils, solvents, acids, and abrasive slurries
Our product portfolio encompasses over 12 types of braided packings and gland sealing products, including vegetable fiber packing, synthetic fiber packing, PTFE packing, mineral fiber packing, graphite packing, carbon fiber packing, aramid fiber packing, asbestos packing, fiberglass packing, ceramic fiber packing, ramie fiber packing, and cotton fiber packing. We also offer molded packing rings, die-formed graphite rings, and injectable sealants for specialized pump and valve sealing applications.
Refinery pumps, pipeline valves, wellhead equipment
Boiler feed pumps, steam valves, turbine seals
Pump packings, valve stem seals, agitator shaft seals
Seawater pumps, propeller shaft seals, marine valves
Centrifugal pump packings, sludge pumps, mixers
FDA-compliant PTFE packings for sanitary lines
Unlike trading companies, we own and operate our entire production facility in Zhenhai District, Ningbo. Our workshop is equipped with advanced braiding machines, precision cutting systems, molding presses, and a fully equipped QC laboratory. Every batch undergoes rigorous inspection — including density verification, tensile strength testing, compressibility measurement, and dimensional precision inspection — ensuring full compliance with ASTM and international standards.
🏆 Committed to Quality — Our braided packing products are manufactured under strict quality control systems, ensuring consistent performance, dimensional accuracy, and safety for every customer.
Fiber selection, braiding optimization, and material performance
Braiding, molding, die-forming, and cutting processes
Custom packing design, prototyping, and application engineering
Global shipping, customs documentation, and supply chain coordination
Factory entrance — Zhenhai, Ningbo
Braided packing production line
QC laboratory — packing material verification
Share your specifications — fiber type, size, braid pattern, quantity
Receive a competitive factory-direct quote within 2 hours
Manufactured to your exact specifications with full quality control
Timely shipping with full documentation and traceability
Get a factory-direct quote within 2 hours — samples available upon request.
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