OEM Garage Door Torsion Spring For Selling

We are professional manufacturer of Garage door spring and Industiral door hardwares,including springs,spring cones,cable drum,hinges,brackets,industrial bearing,tracks etc. Our mission is to provide the highest quality garage door spring ,outstanding customer service ,and competitive prices. These high quality Garage Door Torsion Springs include cones installed on the springs and are sleek, oil tempered and coated black for a strong smoother operation. These sturdy garage door torsion springs are made of steel coils with aluminum cones and can withstand any weather making them the best buy for your garage door.  Engineered For Maximum Application Range. Minimum 10,000 Cycles, At +/- 7.5lbs Of Target Door Weight. Springs Are Made Of Steel Coils With Aluminum Cones. Both Winding And Stationary Cones Are Installed. Black Coated, Oil Tempered,Galvanized Wire Provides A Clean Durable Finish. Clear, Easy To Read Spring Markings For Easy Identification. Name OEM Garage Door Torsion Spring for Selling Diameter 1 3/4" ,2" , 25/8" , 3 3/4" , 5 1 /4" , 6" and others Material 72B ,82B , 60Si2MnA,65Mn Etc Customizable Can made by your drawings, samples and dimensions Surface Treatment White zinc plating,  Nickel plating, Chrome plated, Cataphoresis, Become black, Powder coating, Apply oil ,paint or as customers' request Application  Garage doors,overhead doors,industrial door installation ,roller shutter doors in matching torsion and extension spring Certification SGS ,ISO9001 MOQ Any small trial order is welcome Deliver time 7-15 workdays based on MOQ Package Standard Packaging, Pallet Wooden Carton Or as per customers' requirements Payment term 30%T/T deposit,70% before shipping