PRODUCTS & SERVICES
Quality first · Reply quickly
APPLICATION
Suitable for any kinds of construction and installation environment
Suitable for architect and designers
Suitable for architect and designers
Home
Hospital
Building
Bank
ABOUT CHIEN CHIN
CHIEN CHIN is a professional manufacturer of the transom closer and floor spring. Our products are sold in Europe, Central and South America, the Middle East and Asia.
We are committed to the spirit of quality first and customer first. With more than 20 years of experience, production capacity and also have experience in OEM and ODM, provide well quality and technology.
In the future, we will actively obtain various certifications and irreplaceable service.
We will be the ideal choice for your best products.
NEWSRead More
Floor spring oil leakage is a common issue in commercial doors and glass door systems. This guide explains the most common causes, warning signs, repair options, and when replacement may be necessary.
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Learn the differences between S200, S220, S275, and S280 floor springs, including load capacity, suitable door types, installation conditions, and commercial applications for glass doors, heavy-duty doors, and high-traffic entrances.
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