passivation silver components for jewelry making

{"cid":"91220056","title":"Unisex Childrens Silver Jewelry in Various Shapes for Children Age Group","imgUrl":"https:\/\/img.chinax.com\/nimg\/09\/9d\/342dc34332b04128282d04749550-200x200-1.jpg","attrs":{"Brand Name":"RICHSTAR","Minimum Order Quantity":"300","Delivery Time":"45 days","Place of Origin":"China","Payment Terms":"L\/C, T\/T","Gender":"Unisex","Design":"Various Design","Occasion":"Daily Wear, Birthday, School Activities, Performance, Etc","Material":"Silver, Acrylic, Etc","Style":"Various Styles","Shape":"Various Shapes","Size":"Custom","Age Group":"Children"}}

{"cid":"91189454","title":"15L Ultrasonic Jewellery Cleaning Machine","imgUrl":"https:\/\/img.chinax.com\/nimg\/eb\/86\/317b68b9304cbafd078ce9b38eef-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Whale cleen","Model Number":"LanJ-J06","Minimum Order Quantity":"2 Units","Delivery Time":"Depend On Quantity","Certification":"CE, Roth","Place of Origin":"China","Payment Terms":"T\/T","Supply Ability":"20000 Units Per Month","Packaging Details":"Carton Box Packing","Heating Power":"500w","Heater":"20-80 degree Adjustable","Timer":"1-30 Mins Adjustable","Tank Size":"500mm*300mm*150mm","Tank Capacity":"15L","Product Name":"Sweep frequency ultrasonic cleaner","Frequency":"40,000Hz","Ultrasonic Power":"360w"}}