Ritmo SpA - Italy. Design, development and manufacture of butt welding, electrofusion, hot gas and socket welding machines, auxiliaries, tools and accessories for plastic pipes and components. Technical information. Links to related sites. English and Italian. Forsstrom High Frequency AB - Sweden. Development and manufacture of plastic welding machinery and systems for the production of signage, truck and swimming pool covers, oil booms, tents and sunshades, and inflatable boats. Technical information. List of global agents. Sonitek - Heatstaking and ultrasonic welders for plastic welding and assembly. Fusion Technology - Plastics welding and cutting machine specialists, geomembrane welding, hot air welding, fusion welding and other types of plastic welding machines. SS Industrial - Company producing machinery and different components used in HDPE fusion and fabrication processes. Hapco Inc. - Sells and services Leister equipment including roofing machines, welding equipment, high and medium pressure blowers and other hot air tools. Markperi International - Rebuilder of RF heat sealers and welders, and manufacturer of new heat sealing equipment. Hemant & Co. - Manufacturer of pneumatic PVC and plastic welders and plastic embossing machines. Heatwaves HF welding equipment - The Netherlands. Suppliers of a range of new and pre-owned machinery and equipment for high-frequency (HF) plastic welding applications. Also, maintenance and repair, and radiation measurement services. Technical information. Description of HF technology. English, Dutch and German. Weldech Electric Industry Co., Ltd - Taiwan. Design and manufacture of a range of high-frequency (HF) plastic welding, embossing and blister packaging machinery. Detailed machine catalogs, including technical information and specifications. English and Chinese. Fusion Hire Services Pty., Ltd - Australia. Suppliers of plastic welding services and equipment. Also, in-house and on-site fabrication services. Technical information on PDF files. On-line welding specifications calculator. Bizeta Srl - Italy. Design and manufacture of machinery for high-frequency welding, blanking and color stamping on PVC, polyurethane, polyester and coupled leather. Detailed machine catalogs, including technical information and specifications. English, Italian and French. High Frequency Electronics, Ltd - New Zealand. Manufacturer and supplier of radio frequency plastic welding machinery, hot air and hot wedge welders for tents, tarpaulins, marquees, truck curtains, shade and tensile structures, sign industry inflatable boats, stationery and clothing. Also, slitters, sheeters and rewinding machines, repair and maintenance services, and supply and service of radio frequency induction heating equipment.