How much is the prosthetic pneumatic knee joint? How much are the thighs and calves?

Prosthetic pneumatic knee joint is generally made in China and imported. According to the movement and stability, there are single shaft, 4-link, 5-link and so on. There are single cylinder and double cylinder according to the cylinder. Generally, artificial limbs are modular, and a set of products includes receiving cavity, knee joint, connector, connecting rod, pedal, outer packaging and so on. Pneumatic joints are generally between 15000 and 40000.