The same specifications of the lifting chain are three times the same specifications of 10mm. Why is there so much price difference? First of all, the chain is divided into 43, 70, and level 80. Different levels are different. Then the raw materials of the chain are metal wires. The raw material itself has a price difference. In the production and production, the equipment is also divided into automatic equipment and semi -automatic equipment. In actual production, the operation and control of workers are also different. Generally speaking, the cost of raw materials, mechanical costs, and labor costs. Don't just look at the price when buying.