国产 日韩 另类 视频一区

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      AFTER-SALE SERVICE


      After-sales service: 
      Assist users to formulate the construction plan for the first time;
      Equipment installation and debugging;
      On-site troubleshooting, fast active;
      The warranty parts delivery to door;
      Provide the opportunity to exchange technology.



      Service Commitment for Concrete Delivery Pump 
      Qingdao SAINTYOL DAWIN MACHINERY CO., LTD., concrete pump promised to sell are as follows:
      1. Within the time stipulated in the contract, promptly sent personnel to guide the installation and debugging;
      2. The goods within a year, if the product manufacturing quality problems, to give free maintenance;
      3. Provided free of charge for the user operations and maintenance personnel training;
      4. To provide life-long maintenance fee sales service and spare parts supply;

      国产 日韩 另类 视频一区
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