Founded in 1998, ONSUNE Technology Ltd. specializes in magnetic components manufacturing custom transformers, inductors, chock coil, toroid chock for car amplifier, and switching power supply.

成立于1998年，ONSUNE科技有限公司专业生产定制变压器，电感器，磁环，以及汽车功放，开关电源。

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The Steel City ranks seventh on the list of most polluted, followed by another metro chock-full of coal-fired power plants: Birmingham, Ala.

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