Why Choose Xingtai Heheng New Material
We deliver four-in-one one-stop supporting capabilities covering the full workflow of R&D & model selection,
spot supply, non-standard customization and after-sales support.
Leveraging the sealing industrial cluster in , Xingtai, we enjoy a complete raw material supply chain, with short lead time, controllable bulk cost, and local warehouse support for fast order dispatch.
Our product portfolio covers static seals, rotary seals, high-pressure hydraulic seals and special anti-corrosion seals. You can get all you need in one stop, no need to source from multiple different suppliers.
Our full material portfolio covers NBR, FKM , EPDM, PTFE, UPE and stainless steel springs, with full performance coverage for general use, high temperature resistance, acid & alkali resistance.
We support non-standard processing based on your drawings and samples, with full pre-delivery inspection, a 99.8% product pass rate, and one-on-one dedicated after-sales technical support.
Company Profile
Xingtai Heheng New Material Technology Co., Ltd. (Heheng Seal) is a professional sealing solution provider based in Renze, Xingtai — China’s well-established rubber & plastic sealing industrial cluster, running our own brand vitalseal.
We integrate high-quality local manufacturing resources to deliver one-stop services covering technical selection, off-the-shelf supply, non-standard customization and full after-sales support. Our core products cover NBR, PU, EPDM, FKM, PTFE and other materials, with stocked standard seals including O-rings, skeleton oil seals, Glyd rings, Step seals and spring energized seals, fully compatible with hydraulic cylinders, agricultural machinery, mining equipment and automotive systems.
Our standout "proactive technical support" features an AI-powered seal selection system, providing free working condition consulting and fault diagnosis to eliminate common industry pain points. With dual-track development in industrial and automotive sealing, we are committed to being your trusted long-term sealing partner.
Product Center
Complete Specifications, Customization Supported
Learn more
Glyd Ring: Piston Bidirectional High-pressure Seal
Made of materials such as PTFE and PU polyurethane, it is precisely applied to injection molding machines, hydraulic cylinders and large presses.
Step Seal: Piston Rod Unidirectional High-pressure Sea
Made of materials such as PTFE (Polytetrafluoroethylene) and PU polyurethane, it is precisely applied to excavators, loaders.
Spring Seal: Spring Energized Sea
Made of PTFE (Polytetrafluoroethylene), PEEK and PU materials, it is applied to semiconductor, food and pharmaceutical equipment.
O-Ring: Basic Static Seal Component
Made of materials such as NBR, FKM, FFKM, nitrile rubber, fluororubber and perfluoroelastomer, it has a wide range of applications.
Skeleton Oil Seal: Rotary Shaft End Seal
Made of NBR nitrile rubber, fluororubber and other materials, it is precisely used for shaft end sealing of engines, reducers, axles, hydraulic pumps, etc.
Custom Non-standard Seals
Non-standard customization, high-end seals customization based on provided drawings
Working Condition Exclusive Seal Solution
Accurately match seals according to industry equipment, and efficiently solve leakage problems in various working conditions.
Industry pain points: heavy load and high pressure, frequent friction of piston rod, sediment and dust intrusion, harsh outdoor/underground working conditions, seals are prone to wear and pressure relief
Supporting seals: Step Seal, Glyd Ring, Skeleton Oil Seal
Applicable equipment: excavators, loaders, cranes, roadheaders, mining hydraulic cylinders, underground mining equipment
ndustry pain points: high-pressure reciprocating motion, piston internal leakage, continuous wear resistance requirements
Supporting seals: Glyd Ring, General O-ring
Applicable equipment: injection molding machines, hydraulic presses, small and medium-sized hydraulic stations
Industry pain points: erosion by engine oil/gear oil, continuous high temperature, easy leakage of rotating shaft
Supporting seals: NBR/FKM O-rings, skeleton oil seals
Applicable equipment: heavy trucks, light trucks, buses, engines, gearboxes, axles
Industry pain points: mud and water immersion, pesticide and chemical liquid corrosion, open-air high and low temperature, heavy dust
Supporting seals: NBR/EPDM/FKM O-rings, skeleton oil seals
Applicable equipment: tractors, harvesters, agricultural hydraulic pumps, garden irrigation equipment
Industry pain points: corrosion from strong acids & alkalis, organic solvents, and high-temperature media
Supporting seals: FKM O-rings, corrosion-resistant Spring Energized Seals
Applicable equipment: chemical pipelines, valves, chemical reactors, oil & gas equipment
Industry pain points: electrolyte corrosion, high and low temperature, long-term continuous operation
Supporting seals: PTFE Spring Energized Seals, special corrosion-resistant sealing components
Applicable equipment: new energy electrolyzers, energy storage fluid equipment
Industry pain points: high vacuum environment, low friction, low outgassing and no precipitation
Supporting seals: vacuum-specific Spring Energized Seals, special PTFE seals
Applicable equipment: semiconductor vacuum chambers, vacuum coating equipment, vacuum laboratory equipment
Industry pain points: strict hygiene and cleanliness requirements, tolerance to cleaning solvents, no harmful substance precipitation
Supporting seals: food-grade EPDM sealing rings, clean-type Spring Energized Seals
Applicable equipment: food filling machinery, pharmaceutical production equipment, sterile fluid devices
Xingtai Source Factory Supply, Large-scale Delivery Guarantee
—— Renze District Warehousing Center | Stable Supply Chain, Large-scale Delivery Guarantee ——
Serving More Than 200 Equipment Manufacturing and Maintenance Enterprises
Unified Incoming Inspection Dimensions, Appearance Sampling Testing
Strategic Cooperation with Multiple Professional Production Bases
NBR、HNBR、PU、PTFE
More Than 30 Rubber/PTFE Material Solutions Are Available
PEEK、UPE、FKM、FFKM
Step Seals, Glyd Rings, Spring Energized Seals in Stock
All Major Series of Standard Seals Are Kept in Regular Stock
Expert Insights & Product Spotlights
Technical Guide to Engine Seal Selection: Systematic Matching of Materials, Environments, and Applications
The difference between nitrile rubber (NBR), ethylene propylene diene monomer (EPDM), and fluorocarbon rubber (FKM)
Ready to Streamline Your Sealing Supply Chain?
Contact our Xingtai-based team today for competitive pricing and samples
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