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Chinese 
- Adopt lapping trapezoidal screw.
- Linear slider guide (referred to as square guide), has the characteristics of long stroke, high load, good rigidity, etc.
- Special shaft end design to ensure long-term effective operation.
- Special locking method to ensure effective locking；
- Limited position devices at both ends to ensure safe operation；
- As an optional accessory, a digital display ruler can be added。
