Suyike Pneumatic (Shanghai) Co., Ltd. was established in 2004, with the English name TONAB. It is an automation manufacturer engaged in the research, production and sales of air and hydraulic components and equipment. Its products are marketed in domestic and foreign markets under the brand "TONAB". The main products include Air purification components, pneumatic control components, pneumatic execution components, auxiliary components, air and hydraulic equipment, products are widely used in medical equipment, industrial robots, food packaging machinery, textile machinery, semiconductor equipment, rail transit, tobacco machinery, machine tool automatic control, Vacuum handling, automobile manufacturing, teaching and training and other industries. Suyike's current main products include: rodless cylinders, slide cylinders, stop cylinders, rotary cylinders, mechanical clamps, rotary clamping pneumatic (oil) cylinders, guide rod cylinders, locking cylinders, double-axis cylinders, standard types Cylinders, control valves, air control components, vacuum system components and related pneumatic auxiliary components.