Service philosophy:


      Sincere attitude,

      Efficient service efficiency,

      Reliable quality of service.

      Service if:


      Quality assurance period: After the equipment reaches the designated party, the quality guarantee period is 12 months from the date of acceptance.

      During the warranty period, where the product quality problems, the supplier is responsible for maintenance, replacement, and bear the full cost. In the receipt of notice from the date of delivery within 300 hours within 24 hours after the sale of service engineers to the scene to solve the problem. 300 km away within 48 hours after the sale of service engineers to the scene to solve the problem.

      The company has a mobile service vehicle dedicated to the user service. For large-scale pipeline construction, our company sent someone, car, special service telephone tracking service, construction works are not completed, the service staff does not withdraw.

      Warranty period, the company regularly led by the after-sales service engineers regularly overhaul once, to guide the correct use and maintenance of the operator.

      国产精品国产三级国AV_A级裸体毛片一区二区_日韩在线人成电影大全_国产A∨一区二区三区香蕉

          婷婷的五月天在线视频观看 | 五月天综合网缴情五月中文 | 亚洲国产精品久久久久 | 日本色婷婷在线观看网站 | 日本中文一区免费观看 | 五月婷之久久综合丝袜美腿 |