1. The shape is designed according to human engineering, comfortable to hold, easy to use, simple and effective operation
2. Economical and practical, cost-effective
3. Longer service life in the same product
4. The new tool body is compact and easy to carry
5. Use in some narrow, high places and cleaning tasks in the trachea that are out of hand
2. Economical and practical, cost-effective
3. Longer service life in the same product
4. The new tool body is compact and easy to carry
5. Use in some narrow, high places and cleaning tasks in the trachea that are out of hand