公司销售的所有仪器均随机免费配送备用电路板一块，电路板终身免费维修；
All sales of equipment were free distribution reserve a circuit board, circuit boards free maintenance for life;
凡购买本产品，本公司实行三包，免费保修一年，终身维修，可根据您的需求定做，款到发货。
Where to buy this product, the company the implementation of three bags, one year free warranty, life-long repair, can be customized according to your needs, Kuandaofahuo.
而且，相关经销者提供了免费终身维修的保证，有力地支持了他们的工作。
Also, participating dealers back their work with a free lifetime service guarantee.
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