Introducing the latest offering from our factory - the Seat Back Angle Adjustment with the Spindle. This innovative product allows users to adjust the angle of their seat to their desired level of comfort. The spindle mechanism ensures that the adjustment is smooth and easy to use. Made with high-quality materials, this product is built for durability and longevity. Whether used in an office chair or a car seat, our Seat Back Angle Adjustment with the Spindle is the perfect solution for those looking for a comfortable and customizable seating experience. Trust us to provide you with the best products.