Floor Spring w/o Oil

       
Patents

Invention patent no. of USA: US 10,184,283 B2

Invention patent no. of EU: 3252258

Invention patent no. of P. R. China : ZL2014107176847

Invention patent no. of Taiwan
Invention no. I550176

Invention patent no. of Singapore: 11201706218V
 
Invention patent no. of Russia: 2708149
 
Appl. no. of PCT international patentPCT/CN2015/09234

Appl. no. of Malaysia patentPI 2017702823