EC21 Buying Leads Catalogs - Plastic Welders http://importer.ec21.com/buy_leads/Plastic_Welders--173807.html Buy High Frequency Plastic Welding Machinehttp://www.ec21.com/offer_detail/Buy_High_Frequency_Plastic_Welding--5291455.htmlDetailed Product Description 1) H.F. output Power:4KW 2) Oscillation Frequency:40.68MHz 3) Input Power:7KVA 4) Oscillat20090321