Company introduction

How to escape open a hole on the door or floor if satisfied the auto closing function?
How to solve the oil leak problem of door closer /floor spring in past?
Is possible only a hinge can instead of traditional door closer and solve the above annoying problem?

With this goal , Yishida CEO Mr Wu who with 20years experience in the spring field start his develop from 2008-2011. A hydraulic with auto closing function creation at the end of 2011.

More than 95% of old customers have seen an increase 55% each year.

Where is use for?

Fire door/Office glass door/Wooden door/ Alum door/Metal door...ect.

What’s different with others?

7 years in the markets performance, hydraulic hinge to be accepted by more and more people. Especially in the current popular conceal door. 

Structure ,material and producing …With 8 patents in the key spare part create a new revolution of door auto closing filed. The only one manufacture focus on hydraulic hinge. Key spare part produce by own and with patents.

How we guarantee the quality :

Approval the BHMA Grade 1 ( 10,000,000 cycles) and UL. Technical support stand by on line. 
Strict QC each step
Re-check installation & adjusting ways; about 86% solve after this step; 
All hinge we guarantee 5 years no matter any quality complain. Production date laser inside the axes of hinge.  
All the complain would have a report with cause reason, the solutions and prevent solution in the future.