如果有兴趣，请邮件介绍工厂信息和产品图片，谢谢！
If interested, please email me your factory intro and pics of your products. Thanks.
介绍工厂在锌产品结构发生变化的情况下所进行的工艺流程选择及主要冶炼设备的选型等情况，并对几种炉型进行比较。
This paper describes selection of process in casting plant and main smelting equipment for zinc smelter in case the product mix has been changed and gives comparison between several types of furnace.
阐述了UL认证对工厂及产品的跟踪服务制度，介绍了UL跟踪服务的类别。
The rules and classification of UL follow-up service to factory and products has been elucidated.
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