6b twin needle m c gear

{"cid":"91220287","title":"6B Twin-Needle M\/C Gear Cylindrical Sewing Machine Gear","imgUrl":"https:\/\/img.ismap.com\/nimg\/fd\/df\/7edb3a3dba2b9c606962a0ef9ae3-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"SJ, DH","Minimum Order Quantity":"Negotiable","Delivery Time":"Sample order: 7 days","Certification":"ISO9001","Place of Origin":"Changsha, China","Payment Terms":"T\/T","Supply Ability":"Negotiable","Packaging Details":"According to customer's requirement","Material":"Steel","Shape":"Spiral","Accuracy Grade":"ISO 6-7 Grade","Heat treatment":"Carburizing,quenching, carbonitriding, high-frequency, quenching, tempering etc","Service":"Customized","Drawing Number":"WPC3\/C4","Number of Teeth":"30\/15"}}