NFL is a national high-tech enterprise specializing in R&D, design, and manufacture of fluorine-lined valves and pipelines. Our products are
widely used in energy, power, petroleum, chemical, metallurgy.
Naifulong Valve Group Co.,Ltd (NFL) is founded in 2006 and located in No. 4269 Lane 3, Binhai Economic and Technological Development Zone.
Production experience
Modernized Standard Factory
National patents
NFLis a national high-tech enterprise integrating R&D, design and manufacturing of various fluorine-lined valves and pipeline products. Its products
are widely used in new energy, chemical industry, electric power, petroleum, metallurgy, steel, and other anti-corrosion engineering fields.

We have established a rigorously disciplined quality management team, achieving comprehensive quality control throughout the entire process—from raw material inspection and production process monitoring to final product evaluation and application.
Proprietary warehousing and logistics, 24-hour after-sales service hotline..NFL is still improving every detail,Repeated practice just to live up to expectations.Starting with a choice, we will go all out.
Adhering to Friends of NAIFULONG flourish management ideas, we keep our promise that we provide products and more engineering and technical
solution and intimate services. Let us forge ahead and win together the future!
Interested in learning more about valves and their applications? Explore our blog for expert insights, practical guides, and the latest industry trends tailored to your needs.
Recently, the State Administration for Market Regulation and the Standardization Administration of China jointly released the national standard GB/T 26500—2025, "Structural Types, Main Dimensions and Basic Parameters of Plastic-Lined Composite Steel Pipes and Fittings."
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On a new journey in the field of industrial corrosion protection, the Naiflon Group once again sets the industry benchmark with its technological strength. The successfully developed large-diameter, negative pressure-resistant spiral wound process pipe will be used in a domestic high-end fluorine new material industrial park project. As a professional company dedicated to the research and development and manufacturing of fluorine-lined valves and piping equipment, this breakthrough not only demonstrates our technological leadership but also reflects our firm commitment to promoting industrial upgrading.
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The 2025 Russian International Pump and Valve Exhibition (PCVExpo) is currently underway at the IEC Crocus Expo in Moscow. The Naiflon Group is also participating, joining global industry colleagues on-site to discuss cutting-edge technology trends. As one of the most influential industrial events in Eastern Europe, the event has attracted numerous professional exhibitors and industry visitors, fostering a vibrant atmosphere of exchange.
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Recently, a European delegation from the Fluoro Materials Application Technology Branch of the Wenzhou Chemical and Materials Society, led by Naiflon Group, traveled to Belgium, Germany, and Italy for industry docking and technical exchanges. The trip, with the core goal of "breaking through bottlenecks in the core fluorine materials for ultrapure electronic-grade (UHP) fluorine-lined valves, fittings, and equipment," sought key breakthroughs for ultrapure electronic-grade fluorine-lined components in high-end semiconductor applications through in-depth connections with renowned European companies and industrial parks.
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