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What Is a Floor Spring? A Selection Guide for Glass Doors and Heavy-Duty Entrances
This guide explains how to choose the right floor spring based on door type, load capacity, installation conditions, and usage frequency for glass ...
CHIEN CHIN Floor Spring S275 and S280 Passed EN 1154 Test Certification
CHIEN CHIN Floor Spring S275 and S280 have passed EN 1154 test certification, confirming reliable durability, closing control, and safety for comme...
Transom Closer vs Floor Spring: Door Type & Load Capacity Selection Guide
Compare transom closers and floor springs by door type, door weight, installation conditions, and usage needs to choose the right door control hard...
Which Door Types Are Suitable for Transom Closers? Aluminum, Wooden & Glass Door Guide
This guide explains how to choose a suitable transom closer based on door type, door weight, frame structure, and installation conditions.
Floor Springs Certified by India IS 6315:1992！
Chien-Chin floor springs are now officially BIS-certified in India, meeting the highest safety and performance standards. This milestone proves our...
Chien Chin is now ISO 9001 Certified!!
We are proud to be ISO 9001 certified, reflecting our commitment to consistent quality and rigorous manufacturing standards in every hinge we produce.
Stronger, Smarter, Smoother: Try the W120 Wooden Door Closer Now!
We are proud to introduce our newly developed hinge series—the Overhead Wooden Door closer W120.
2024: A Journey of Connection and Relaxation
After years of dedication and perseverance, it was time to unwind and create some unforgettable memories together!
Product S200 Passes EN1154 Testing!
Testing report from global Testing Inspection and Certification in London.
Taipei Building Show 2020-12-10~13
Taipei Building Show
More information...
NEW! Narrow load floor spring is coming!
This floor spring S275 are heavy duty and aesthetic!