how to make an electric detonator

{"cid":"91201957","title":"220V\/380VAC Junction Box Flameproof Explosion Proof IP66 Weather Resistant","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/78\/0b\/7f2a31f3bc60f70425a41bb6f5cc-200x200-1.jpg","attrs":{"Price":"usd5","Brand Name":"Crown Extra","Model Number":"AH","Minimum Order Quantity":"1SET","Delivery Time":"10-20Days","Place of Origin":"China","Certification":"ATEX","Packaging Details":"1SET\/CTN","Payment Terms":"50%+50%","Supply Ability":"500SET\/Mounth","Item Type":"Explosion-Proof Flameproof Junction Box","Entry No":"See Illustration","Type":"Junction Box","Size":"Customer Settings","Dust Proof":"WF2","Voltage":"220V\/380VAC","cable entry":"G1\/ 2","server":"OEM Available"}}

{"cid":"91185902","title":"1MHz Transducer Piezo Ceramic Disc Barium Titanate For Flow Sensor Pzt-4 Pzt-8 Material","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/44\/b5\/09fa6aef56374d32f7afcb341e00-200x200-1.jpg","attrs":{"Price":"USD3-USD30","Brand Name":"OURS Ultrasonic","Model Number":"ARS-TYJP","Minimum Order Quantity":"100pcs","Delivery Time":"2-3 days","Certification":"CE AND FCC","Place of Origin":"Shenzhen,China","Payment Terms":"T\/T, Western Union,PAYPAL","Supply Ability":"1000000pcs","Packaging Details":"Carton box or plywood box","material":"barium titanate","Pric":"based on quantity","Material":"Zirconium Oxide","OEM":"yes","Shap":"disc","type":"Piezoelectric Ceramic Materials fish"}}