how to solder copper jewelry wire

{"cid":"91219049","title":"100A HJ10-A Spot Welding Machine For Jewellery precision wire soldering","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c9\/0d\/a96b4cb961f209b32b16ed45548e-200x200-1.jpg","attrs":{"Price":"$135","Brand Name":"toktos","Model Number":"HJ10-A","Minimum Order Quantity":"1","Place of Origin":"china","Payment Terms":"T\/T","Supply Ability":"99999","Dimensions":"28*16*22","Voltage":"110\/220V","Power (kW)":"600W","Usage":"spot welding","Model":"100A","Product Size":"248*255*130mm","Welding Range":"0.5-2MM","Material":"Metal"}}

{"cid":"91168493","title":"200W Diode YAG Jewelry Laser Welding Machine , Laser Beam 0.1-2mm","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/1c\/63\/8351e829bfd9612c316913a3af53-200x200-1.jpg","attrs":{"Price":"Negotiable","Brand Name":"Questt","Model Number":"Robot200M","Minimum Order Quantity":"1set","Delivery Time":"9 days","Certification":"CE,ISO,BACL","Place of Origin":"China","Payment Terms":"T\/T, Western Union,, L\/C","Supply Ability":"3620 sets \/ year","Packaging Details":"Anti-water Exporting Plywood cases","Laser Power":"200W","Service":"Oversea service is available","Certificate":"CE","Laser beam":"0.1-2mm","Laser source":"Diode","Gurranty":"1 year"}}