Amidst the intricate networks of industrial fluid systems, Zhaohui Seal serves as the vital heart of pumps and valves; through superior quality, cutting-edge technology, and exquisite craftsmanship, we ensure their stable operation.

This official account serves as our dedicated platform for sharing technical insights, showcasing products, facilitating business connections, and providing factory updates. We are committed to addressing key industry challenges such as diaphragm and seal cracking, corrosion, and premature failure.

Though small in size, seals are critical to equipment stability and overall service life. We look forward to forging ahead together with our colleagues across the fluid industry.

About Zhaohui Seal | Fluoroplastic and Rubber Seal Manufacturing

Located in the Ningdu Industrial Park of Ganzhou, Jiangxi Zhaohui Fluoroplastics is a specialized manufacturer of fluoroplastic and rubber products. Its portfolio includes diaphragms for diaphragm pumps and valves, sealing rings, gaskets, oil-free bearings, PTFE seals, ball valve seats, various sealing components, PTFE bellows, engineering plastic products, linings for reactors and storage tanks, O-rings, and V-rings. The company is an integrated manufacturer of sealing solutions, combining material R&D, structural design, mold development, custom production, and comprehensive testing.

I.Facility Infrastructure and Scale

The facility covers a total area of 20 mu and features comprehensive supporting infrastructure, including 16,500 m² of production workshops, a 1,600 m² office building, and a dedicated 2,000 m² R&D center. It is equipped with complete production lines for vulcanization, lamination, precision cutting, and performance testing, providing robust production capacity to support both mass customization and prototype development.

II. Corporate Qualifications and Technical Capabilities

Recognized as a National High-Tech Enterprise, a Science and Technology-based SME, and an Innovative SME in Jiangxi Province, the company holds over twenty proprietary patents in the sealing sector. Tailoring solutions to specific pump and valve operating conditions, the company conducts targeted material R&D and optimizes designs across four dimensions—material formulation, fabric reinforcement selection, stress structure, and composite processing—to fundamentally resolve common issues such as diaphragm cracking, wrinkling, poor corrosion resistance, and premature failure under high-frequency operation.

III Corporate Culture

Corporate Mission: To provide exceptional diaphragm seal solutions for the global fluid handling industry, driving product upgrades through innovation and ensuring operational safety through quality.

Core Values: Innovation and enterprise, quality first, customer orientation, teamwork, and accountability.

Corporate Spirit: Striving for perfection, unwavering perseverance, and the pursuit of excellence.

Business Philosophy: Technological leadership, quality-centricity, integrity, and operational efficiency.

Service Philosophy: Professionalism and dedication, rapid response, and comprehensive care.

Corporate Development History

・2008: Founded Ningdu County Zhaohui Fluoroplastic Products Factory, focusing on the R&D and production of basic fluoroplastic products.

・2016: Renamed to Jiangxi Zhaohui Fluoroplastic Products Co., Ltd.; acquired 20 mu of industrial land to build a proprietary factory complex and significantly expanded production capacity.

・2017: Established an independent professional R&D department and increased investment in research; implemented a comprehensive in-house product testing system to ensure robust quality control.

・2022: Launched a digital management system to optimize end-to-end production management and improve supply chain responsiveness, thereby reducing costs and enhancing efficiency.

・2023: Commenced construction of an integrated complex combining R&D, production support, and office facilities, marking the start of a new phase of high-quality development.

・2025: Achieved breakthroughs in the dual business areas of proprietary custom material development and specialized diaphragm design.

Future Vision: The company will continue to deepen its presence in the sealing technology sector, ramp up investment in R&D and innovation, and iteratively develop high-performance fluoroplastic sealing products. We will further refine our end-to-end quality control system, strengthen our technical talent pipeline, and upgrade to intelligent manufacturing equipment. Our goal is to become a leading domestic and internationally renowned supplier of rubber and plastic sealing products, providing stable, reliable, and customized solutions to global clients in the fluid industry while driving high-quality industry development.

Specializing in customized products

PTFE Diaphragm, PTFE Diaphragm with metal, Rubber Diaphragm,Rubber Diaphragm with metal,PTFE/Rubber Composite Diaphragm, Valve Balls, Seats, Gaskets,O-rings, Seals,PTFE Sheet, PTFE Rod,PTFE Film,PTFE Screws and Other PTFE/Rubber Customized Products.

Our products are widely used in demanding applications—such as the chemical industry, environmental water treatment, semiconductor manufacturing, pharmaceuticals, coating processes, mining, and metallurgy—that involve highly corrosive environments, extreme temperatures, and high-frequency reciprocating motion. We offer customization based on customer drawings or samples, accommodating everything from small-batch prototyping to stable, large-scale production. Our core offerings include various pump and valve diaphragms—such as pure PTFE, modified PTFE, PTFE-metal composite, FKM, EPDM, NBR, CR, and natural rubber diaphragms, as well as fabric-reinforced and rubber-encapsulated metal composite types. We also supply PTFE balls, specialty rubber sealing balls, modified/filled PTFE gaskets, valve seats, PTFE-encapsulated seals, and custom-shaped rubber seals, alongside non-standard fluoroplastic products like PTFE sheets, rods, films, and discs. Comprehensive technical support is provided, including the targeted development of materials tailored to specific pump and valve.

Four Core Competitive Advantages

1. Application-Specific Material Development: Formulations are custom-engineered for specific operating environments, ensuring compatibility with strong acids, strong alkalis, organic solvents, and extreme conditions involving high-frequency reciprocating motion.

2. Structural Optimization via Simulation: Stress simulation analysis is used to optimize diaphragm curvature, stress distribution points, and edge structures, thereby reducing the risk of fatigue failure and significantly extending component service life.

3. Proprietary Technology & Mature Processes: With over twenty patents covering materials, structures, and composite manufacturing processes, we collaborate closely with clients on the iterative development of new products.

4. Comprehensive One-Stop Service: From blueprint integration, structural optimization, and custom mold creation to sample testing, mass production, and after-sales technical support, dedicated personnel manage the entire process to ensure rapid response to service needs.

Jiangxi Zhaohui Fluoroplastic Products Co., Ltd.

Add: Changsheng Road, Shuidong Industrial Park, Ningdu County, Ganzhou City, Jiangxi Province, China 342800.