The same product, different positioning prices will be different. For example, the price of chemical anchor bolts from some manufacturers in Hebei is only about 1 yuan, and of course, the bearing capacity is poor, the workmanship is rough, and the tensile strength can not meet the requirements. And some big-name products, such as Dali/Xugong, are much more expensive, but the workmanship is fine and they are all made according to national standards, and the product quality will be much better. In addition, if you buy an imported brand, the price will be more expensive. Generally, high-end projects can consider buying big-name building materials, and three are not allowed.
I hope it helps you.