Zhengzhou Everbright Construction Material Co., Ltd.  

Product Name: Door Roller Track Hardware Garage Door Track Rollers Model NO.: ER-2002S Material: Steel Surface Treatment: Zinc Plated Splittable: Unsplittable Certification: CE, ISO Diameter: 3" Width: 3" Stem Length: 7" Weight: 0.25 Kg Trademark: Everbright or OEM Transport Package: The Products Will Be Packed in Carton by Sea Specification: Customized Origin: China HS Code: 8483500000 Product Description ModelWeightDiameterWidthStem LengthMaterialER-2002S0.25kg3"3"7"Galvanized steelEverbright provides the highest quality door rollers. Our side by side cycle testing demonstrates that our rollers are more durable and stable. And this is the technical data:Roller shutter door components commercial garage track hardware roller door parts suppliers-3" 10 ball steel roller-7" galvanized plated stem-Bulged shoulder-Rating: 150 lb load @ 50,000 12' door cyclesDifferent ModelsOur main productsProcess flow of garage door panel's productionThere are 8 steps to make the garage door panel by the automatic continuous production line. They are uncoiling - film laminating - roll forming - PU foaming and solidifying - fly cutting - cooling - stacking and wrap packing. After these 8 steps every piece of panel will be checked by the QC staff, then high quality panels could be loaded and sent out.