Old fastener fastener is recycled back, will be refurbished screws, brush oil and other links.Ensure the normal use of fasteners.Today flame Xinsen domain xiaobian take you to learn about the old fasteners.
Old fastener material and New fastener material, the market is generally divided into malleable steel and ductile iron material, malleable steel fastener steel is hard, ductile iron fastener steel is soft.Due to the relatively high price of Mar steel material, so the price of Mar steel fastener material will be higher than the price of ductile iron fastener.
Buy old fasteners friends will find their own identity on the acquisition of the old fasteners will be different, although it is in a purchase, but the old fasteners engraved on the brand is also diverse.This is because some buyers in the purchase of new fasteners, fasteners covet cheap prices, that is to buy their own low-cost resources.In fact, this is because there are some fastener processing plants on the market, they will buy a wide range of fastener components are assembled, so out of the fastener quality is no guarantee, because such processing plants only in price to and regular manufacturers competition, often the fastener price set lower than regular manufacturers, then some friends will ask why this is