Four Bar Mechanical Knee Joint is made of Aluminum alloy material, with beautiful appearance. The weight was 0.55kg, the maximum load was 125kg, and the knee flexion was 165 degrees, strong stability during support.

It adopts the four-bar linkage air pressure design, stable and natural walking, more light, mor durable, less energy consumption, easy control.

Our Services
1. More than 15 years experience in prosthetic Manufature.
2. ODM AND OEM Service.
3. We has all kinds of certificates you need for import(CE, ISO, FDA, FREE SALE CERTIFICATE).
4. After-sale Service: Online technical support.
5. We can received the payment by kinds of way, company account, western union, paypal, money gram, China bank card.
6. We have very experienced engineers and we help you better use our products.

We have rich experienced on manufacturing, Private Custom, and Technology Research and development. And please check my company website :

We have ourself casting factory, CNC Machine factory, Assemble workshop and Technology Research and Development Center. all of the products Design and made by ourself, we can control the cost price very well! So we can supply you the best quality, best price and best after-sell service.
Our Principle is: Do our best to give you all best!
We have get the CE Certificate for quality control and ISO Certificate for management, and Free Sale Certificate for selling in the market.
Welcome warmly all of the friends from all of the world visit my company, to establish a good and long term cooperation.

If you want to know more about our product, please contact us.