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Global leader in precision-engineered floating seals for heavy machinery.
Founded in Xuzhou—the heart of China's construction machinery industryHuaTong has dedicated over 20 years to perfecting the art of mechanical sealing.
Our facility integrates the entire production chain: from proprietary alloy casting and precision CNC machining to high-tech lapping and heat treatment. This ensures every seal meets the same strict standards as OEM parts.
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Started as a specialized workshop in Xuzhou focusing on floating seal ring casting and grinding.
Achieved ISO 9001:2015 certification and expanded our export market to North America and Europe.
A premier 5,000 facility serving 100+ global clients with 200,000 sets annual capacity.
Our proprietary 15%Cr3Mo alloy ensures hardness of HRC 65-72, providing extreme wear resistance in abrasive mining environments.
Using twin-face grinding, we achieve surface flatness within 0.003mm and roughness under Ra 0.2μm for a perfect leak-proof seal.
Located near major ports with decades of export experience, ensuring reliable lead times for USA, Canada, Italy, and India.
Every production step is performed in-house at our Xuzhou facility to ensure 100% reliability:
Connect with our technical team today for a quote or custom sealing consultation.
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