High density and metal bonded plastic functional composite materials with complex and delicate structures can also be prepared by the injection molding process. Density can be adjusted as required from 2-13 g/cm3, which can replace some traditional aluminum alloy, zinc alloy, ...
Gym equipment manufacturers-functional smith machine Smith machine 8 kinds of exercise methods muscle exercise as long as a smith machine. In addition to free weight and strength equipment,there is also a kind of equipment you are not familiar with in the gym-Smith machine.It ...