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As China’s manufacturing industry continues advancing toward high-precision and intelligent production, the bearing sector is also evolving from conventional manufacturing toward precision engineering and intelligent motion technologies.
Against this industry backdrop, Wuxi Sanli Bearing Co., Ltd. has officially upgraded to Wuxi Sanli Robot Technology Co., Ltd. following a strategic partnership with JCHX Interconnect.
The transition reflects the company’s long-term expansion into:
Precision motion systems
Industrial robotics components
Intelligent transmission technologies
High-performance bearing applications
Rather than representing a simple company rebranding, the move signals a broader shift toward advanced manufacturing, robotics integration, and precision industrial applications.
JCHX Interconnect originates from Fengdong Heat Treatment, one of China’s established companies specializing in industrial heat treatment equipment and thermal processing technologies.
With decades of experience in heat treatment systems, material engineering, industrial furnace technologies, and precision thermal processing, Fengdong has developed strong technical capabilities within the heat treatment industry.

For precision bearings, heat treatment technology plays a critical role in determining:
Fatigue resistance
Dimensional stability
Wear resistance
Rotational reliability
Thermal performance
Service life under high-speed conditions
The cooperation between Wuxi Sanli and JCHX Interconnect strengthens the company’s capabilities in both material technology and precision manufacturing processes.

Single-row and double-row configurations
Matched bearing sets
Precision grades from P0 to P4A
Bore sizes from 10 mm to 300 mm
High-speed and high-rigidity options
Designed for CNC machine tools
High rotational accuracy
Low vibration performance
Improved thermal stability
Precision grades up to P4 and PA class
Crossed roller bearings
Flexible bearings
Customized robotic bearing solutions
Applications for RV reducers
High positioning accuracy
Customized structural designs
Heavy-load applications
Enhanced sealing performance
Shock resistance optimization
Hydraulic pump applications
P4 precision grade
Ceramic ball configurations
Surface coating technologies
High-speed impact resistance
Suitable for magnetic levitation systems
High-strength material construction
Precision assembly processes
Stable torque transmission
Robotic reducer applications
Precision drivetrain performance
Wuxi Sanli products are widely used across multiple industrial sectors requiring high precision, high reliability, and stable motion performance.
CNC machining centers
Industrial robots
Precision spindle systems
Automation equipment
Hydraulic transmission systems
Magnetic levitation equipment
Heat pump systems
High-speed rotating machinery
The transition from “Sanli Bearing” to “Sanli Robot Technology” reflects the company’s broader expansion into intelligent motion and precision transmission technologies.
The company continues focusing on:
Precision manufacturing
Product reliability
Stable delivery capability
Application-specific engineering support
Long-term industrial cooperation
As demand continues growing for high-performance bearings, robotic transmission components, and intelligent manufacturing equipment, Wuxi Sanli is further developing its capabilities in precision bearings and robotics-related industrial applications.
Wuxi Sanli Robot Technology continues expanding its engineering and manufacturing capabilities for industrial customers seeking precision bearings, robot reducer bearings, spindle bearings, and customized motion system components.