Car roller limit positioning assembly:
1. The trolley roller limit is used to limit the movement of the trolley rollers at any position to prevent the trolley assembly from detaching at the end of the support channel.
2. The limiters are made of high-strength steel, which has high strength and impact resistance. Galvanized, rust-proof
3. The trolley limiter is installed inside the pole channel, which is beautiful and does not affect the use of other products.