Depending on present sales channel and resource advantage of Donghai quartz, we specially supply quality quartz heaters and defrost tubes to electric appliance companies.

公司拥有富腾集团现有的销售渠道，依托于东海石英资源优势，专注于为国内外知名小家电提供优质的加热管和除霜管等配套产品。

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In another incident in Bala, Gwynedd, a fire was started after water dripped into an electric heater used to defrost pipes.

BBC: Warning after frozen pipes spark spate of fires