Customization: | Available |
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Function: | Pressed |
Material: | Steel |
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Suppliers with verified business licenses
Name | Description |
1-3/4 inch torsion spring | torsion springs with an inner diameter of 44.45mm |
2-inch torsion spring | torsion springs with an inner diameter of 50.8mm |
2-5/8-inch torsion spring | torsion springs with an inner diameter of 67mm |
3-3/4 inch torsion spring | torsion springs with an inner diameter of 95.25mm |
5-1/4 inch torsion spring | torsion springs with an inner diameter of 133.35mm |
6-inch torsion spring | torsion springs with an inner diameter of 152.4mm |
nested torsion spring | torsion springs with an inner diameter of 95.25mm 152.4mm |
tension spring | tension springs with an inner diameter of 30-55mm |
NHentrance Co., Ltd. specializes in high-performance industrial doors, garage doors, and loading dock systems. With over two decades of expertise, NHentrance operates advanced production facilities in Wuxi and Dongtai, ensuring large-scale output and meeting the demands of global markets.
Our products adhere to stringent European industry standards and have earned prestigious certifications, including the EU CE mark, international SGS, and ISO9001 Quality Management System certification. NHentrance's commitment to quality and innovation has exported its products to over 30 countries and regions, including the European Union, the United States, Canada, France, Australia, Dubai, India, etc.
Serving industries such as manufacturing, logistics, electronics, and food processing, NHentrance delivers tailored solutions designed to meet the diverse needs of its international clients. With a dedicated R&D team, we prioritize advanced engineering, durability, and operational efficiency.
NHentrance's reputation for exceptional quality, competitive pricing, and comprehensive customer support makes us a trusted partner for businesses worldwide, offering reliable, innovative, and certified solutions for industrial applications.
Q1: How do I know if my door spring needs replacement?