我公司还对产品实行终身的技术支持，将定期派出售用服务人员进行上门咨询服务。

I also introduced the product lifetime technical support, will periodically send service personnel for sale with onsite consulting services.

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负责我公司所有施工地坪的终身成本维修，并长期进行跟踪服务。

We will undertake all the maintain for our contracted projects and follow up service.

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