Choice&Chance(Hunan)Electric Technology Co.,Ltd.,which is comprehensive manufacturer for retractable tool lanyard, anti-theft pull box, retractable cable reel and various of retractable&security items. DYH had more than 15 years OEM&ODM experience, cooperated with many global brands for years and there are agencies in Europe and North America.For retractable items the key component is inside spring which decides it retractable mechanism and using life. We start from doing spring and provide spring for Chinese fastest train, so quality can be guaranteed.DYH take advantage of our advance technology in retractable area, not only make retractable items but also provide solution for wide application of retractable items. Please contact with us for customized.