Link

International related hydraulic original manufacturing company

 Vis hydraulics, Italy http://www.vishydraulics.com/ 
 American MOOG http://www.moog.com/ 
 American Parker http://www.parker.com
 American Lee http://www.ebs-lee.com/
 American Digital Hydraulicshttp://www.digitalhydraulic.com/index.html 
 Festo (China) Co., Ltd. https://www.festo.com.cn
 Worldwide Hydraulic Professionals https://www.whyps.com/