antirust copper pipe shut off valve

{"cid":"91188017","title":"3000W High Frequency 20Khz Ultrasonic Tube Sealing Machine For Copper Or Aluminum","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/3d\/12\/1d61cd4d6c7d5d1bd8a409706ad2-200x200-1.jpg","attrs":{"Price":"Negotation","Brand Name":"QRsonic","Model Number":"QR-F2030A","Minimum Order Quantity":"1 unit","Delivery Time":"15 workdays","Certification":"CE","Place of Origin":"China","Payment Terms":"T\/T, Western Union","Supply Ability":"2000 unit per month","Packaging Details":"Packed in wooden case","Products Name":"Ultrasonic Metal Welding","Frequency":"20KHZ","Power":"3000W","Voltage":"220V","Air Pressure":"0.05-0.9Mpa","Dimension of Generator":"540*380*150mm"}}