Error:获取session失败,What makes pulleys so important?A pulley is a simple tool that makes it easy to lift or move heavy objects. There are many uses for this tool, but let’s take a look at their mechanical advantages. There are several types and many applications,...
Product Description Product name696zz bearing V groove blue sliding nylon pulley for door and window hardwareModel numberPulleyMaterialCarbon steel bearing+nylonMOQ100 PCSPrice termsEXW, FOB,CIFPayment termsT/T, L/C, Paypal, Credit cardProduction timeDepends on the...