Who We Are Since 2000, Shenzhen Hipower Ltd. ( its predecessor Rili Machinery (Shenzhen) Co., Ltd.) is the leader as manufacturer specialized in high frequency welding machine, ultrasonic plastic welding machine, ultrasonic cleaner and cylinder box making machine. A Leadership Position "Pursuing Excellence, Creating Value" is our only persistance and destination. High quality, competitive price, professional tech support, customer-oriented service make us, HIPOWER, a leader full of power and creativity. Our Advantages and Service High Frequency Welding Machine, suitable for the materials like PVC, leather, tarpaulin, tent, environmental-protect APET,PETG etc; Ultrasonic Welding Machine, applied for the materials like PP, ABS, Acrylic, etc. Cylinder/Tube Making Machine, designed for cylinder box forming, like PVC, PP, PET cylinder box for candy, toy, gift, stationery, fishing gear...packaging application. Ultrasonic Cleaning machine OEM and ODM are welcomed CE certificate for all our machines Hipower has been verified by BV.on Production Assessment.