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| NEWS |
| The application of constant force spring in automatic retractable curtain
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With the rapid development of science, people's living ideas change gradually. We pursue the environmental protection all the time.The constant force spring in automatic retractable curtain is a kind of product like that.Its main principle is storing the force by constant force spring, then retract or lift the curtain via a special device.
The automatic retractable curtain has been used widely in Europe, America and other developed countries. Automatic retractable curtain is high-end and forefront industry in China, it has broad market prospects, important application value and the promoted meaning. It’s not new in Europe, America, it has been used widely in ordinary families, so it’s necessary to promote in China.
The function feature of automatic retractable curtain: simple to install,you can pull the curtain without any electricity, which is environmental protection and energy saving.
Dongguan Yongsheng Metal Products Co., Ltd is specialized in retractable spring, constant force spring, fan lifting spring and other precision springs. We have 15 years wide experience, welcome to visit our factory and negotiate cooperations!
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