Shandong Haihui Environmental Protection Equipment Co., Ltd.. a subsidiary of Haihui Group Co.,ltd,  locates in Zhaoxian  Industry Park , Ju County, Rizhao City , Shandong Province. The main products are belt conveyor, bag filters, and belt conveyor accessories, including rollers, pulleys and roller frames, etc, The conveyor roller is our main products.

1 .Roller Diameter:50-219mm.

2 .Roller Length: 190mm to 3500mm .

3. Roller tube: Q235 seamless carbon steel.

4 .Color: Black, red and grey.

5. Professional roller production line.

6. Professional designing and inspection team.

7. Bearing, bearing housing and sealing: The bearing quality determines the life of a roller. We use world and Chinese famous brand with high quality to make the idler has the ideal static and dynamic balance. We adopts labyrinth sealing to prevent the corrosion of the impurity, the water and the air effectively. So that our idlers have minimum revolving resistance, long life, small maintain work and high load capability.