Japanese SMC and Japanese CKD are not the same company at all. Both companies are manufacturers mainly producing pneumatic components and pneumatic equipment, and they are competitors in Japan, China and even all over the world.

SMC is the brand trademark of Japan's largest manufacturer of pneumatic components. By Japan SMC co., ltd. Sales network and production base are all over the world.

CKD is a pneumatic component manufacturer in Japan, second only to SMC. By Japan CKD co., ltd. Sales network and production base are all over the world.