Carbon steel Torsion spring

{"cid":"240884","pid":"33555661","pimg_url":"\/\/img1.b2bforus.com\/ac\/1f\/70b50bab16bc\/product\/129018071_s-w400xh400.jpg","name":"Customized Door Lock Torsion Spring Spiral Shape Porcelain","attrs":{"Price":"Negotiable","MOQ":"1000 pieces","Delivery Time":"Negotiable","Brand":"OEM"}}

{"cid":"240884","pid":"33555654","pimg_url":"\/\/img1.b2bforus.com\/ac\/1f\/70b50bab16bc\/product\/129018037_s-w400xh400.jpg","name":"Professional Factory Made Adjustable Dual Torsion Spiral Spiral Spring","attrs":{"Price":"Negotiable","MOQ":"1000.0 pieces","Delivery Time":"Negotiable","Brand":"OEM"}}