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Changzhou Shaoding Sealing Technology Co., Ltd., founded in 2011, is a National High-Tech Enterprise, a Jiangsu Gazelle Enterprise, and a provincially recognized Specialized, Refined, Distinctive and Innovative SME.
The company’s principal products include rotary seals, reciprocating seals, O-rings, custom rubber components, rubber-to-metal and rubber-to-plastic composite seals, as well as high-performance polymer functional components for dynamic and static applications. These products are widely used in new energy vehicles, clean energy, intelligent robotics, construction and agricultural machinery, UAVs, consumer electronics, high-end equipment, defense and other industries, and have earned broad recognition from customers.
The company has secured more than 70 patents, including six invention patents.
Annual Production Capacity Exceeding 400 Million Units
We strictly comply with the IATF 16949:2016 quality management system standard for the automotive industry. Standardized controls are implemented throughout the entire process, from product design, raw material procurement and manufacturing to final product inspection, ensuring consistent and reliable quality in every oil seal.
Supported by simulation analysis from Tsinghua University, the design is optimized for dynamic stress and fatigue life, making it suitable for rotary, reciprocating and other motion-sealing applications.
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Engineered for high sealing stability, these products are suitable for flanges, end faces, cavities and connection interfaces across a wide range of industrial equipment.
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Engineered to Meet Your Specific Requirements
For passenger vehicles, commercial vehicles and new energy vehicles, we provide highly reliable oil seals and composite sealing components for wheel hubs, transmissions and powertrain systems.
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Designed for robot joints, precision gear drives and actuators, our sealing products meet the requirements of high-frequency motion, low friction, long service life and reliable sealing performance.
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Suitable for industrial motors, drive motors and miniature motors, our sealing products help prevent external contaminants from entering and support reliable long-term motor operation.
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For UAV motors, transmission systems and lightweight structural components, we provide compact and highly reliable seals designed to withstand changing environmental conditions.
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For robotic lawn mowers, robotic pool cleaners and other outdoor intelligent equipment, we provide water-resistant, dust-resistant and wear-resistant seals for reliable operation in demanding environments.
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We support the sealing requirements of transmission, drive and connection systems in clean energy equipment, improving reliability during long-term operation and under complex environmental conditions.
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Designed for gearbox input and output shafts, housing connections and transmission components, our seals help prevent lubricant leakage and the ingress of external contaminants.
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For demanding conditions involving heavy loads, severe impact and high dust levels, we provide reliable sealing support for transmission, hydraulic and actuator systems in construction machinery.
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For agricultural machinery operating outdoors under mud, water, dust and heavy-load conditions, we provide wear-resistant, contamination-resistant and reliable sealing solutions.
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For high-speed motors, appliance transmissions and miniature rotary mechanisms, we provide compact, highly consistent and low-noise rubber sealing components.
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For high-pressure, reciprocating and rotary sealing applications in hydraulic systems, we provide oil-resistant, pressure-resistant and wear-resistant sealing products.
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Suitable for landscaping machinery, power tools and other compact high-speed equipment, our seals meet requirements for dust resistance, water resistance, wear resistance and long-term reliability.
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