Other Products / Services #3513173

Durable Consumption Goods30 YEARS!Testing 150, 000 cycles Our product has been put to test (PSB Endurance Test 150, 000 cycles of opening and closing operation at rate of 5 cycles per minutes) and has attained Passed Certification from PSB TUV SUD, one of the world renowned testing agency. All the door components especially the suspended roller remains intact and no visual damage was observed after the test. The Heavy Duty i Bi-Fold Roller is the heart of the Bi-Fold door. Therefore, the support of hanging rollers is huge. Special design tested with durable nylon material resistance up to 30kg for long life performance and elegant look. The housing of the Heavy Duty i Bi-Fold roller is made from iron material and inner bearing is made of brass silver plated with excellent resistance to corrosion. In addition, the Heavy Duty i Bi-Fold roller easy to install and remove with excellent surface to make the door close with smoothly without noise. In addition, the functions of the bottom roller carry an impact too. The bottom roller produce durable, stable, strong and solid on i Bi-Fold door. We use good material to ensure quality and consistency to meet customer's demand.