Spiral Constant force spring

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{"cid":"66174","pid":"16400918","pimg_url":"\/\/img1.tradegrowthhub.com\/32\/92\/d362b157586a\/product\/47450659_s-w400xh400.jpg","name":"Professional Factory Flat Product Custom Spiral Torsion Springs Spiral Constant Force Spring","attrs":{"Price":"Negotiable","MOQ":"1000.0 Pieces","Delivery Time":"Negotiable","Brand":"Yusen, Yusen"}}

{"cid":"66174","pid":"16400904","pimg_url":"\/\/img1.tradegrowthhub.com\/32\/92\/d362b157586a\/product\/47450592_s-w400xh400.jpg","name":"Spiral Vortex Coil Spring Stainless Steel Antirust Durable Cogs Electronic Constant Force Tension Spring","attrs":{"Price":"Negotiable","MOQ":"1000.0 Pieces","Delivery Time":"Negotiable","Brand":"Yusen, Yusen"}}

{"cid":"66174","pid":"16400891","pimg_url":"\/\/img1.tradegrowthhub.com\/32\/92\/d362b157586a\/product\/47450517_s-w400xh400.jpg","name":"Professional Factory Wholesale Spiral Stainless Steel Band Cable Reel Retractor Constant Force Spring Flat Extension","attrs":{"Price":"Negotiable","MOQ":"1000.0 Pieces","Delivery Time":"Negotiable","Brand":"Yusen, Yusen"}}

{"cid":"66174","pid":"16400877","pimg_url":"\/\/img1.tradegrowthhub.com\/32\/92\/d362b157586a\/product\/47450446_s-w400xh400.jpg","name":"Custom Small Heavy Stainless Steel Constant Force Plate Retractable Spring Flat Spiral Spring From China Factory","attrs":{"Price":"Negotiable","MOQ":"1000.0 Pieces","Delivery Time":"Negotiable","Brand":"Yusen, Yusen"}}

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{"cid":"66174","pid":"16400852","pimg_url":"\/\/img1.tradegrowthhub.com\/32\/92\/d362b157586a\/product\/47450309_s-w400xh400.jpg","name":"Custom Factory Constant Force Spring Spiral Cogs Spiral Cogs Flat Spring","attrs":{"Price":"Negotiable","MOQ":"1000.0 Pieces","Delivery Time":"Negotiable","Brand":"Yusen, Yusen"}}