一区二区在线日韩电影,国产欧美日韩综合精品一区二区,日本区三区免费精品视频在线播放,亚洲成av人片天堂,国产美女久久久久高潮,国内精品一区二区三区老司机,久久一日本道色综合,色综合久久久久久久久久,免费无码不卡av一区二区,国产综合视频精品一区二区

<cite id="mwwue"></cite>
    • <strike id="mwwue"></strike>
    • <strike id="mwwue"></strike>
      
      <strike id="mwwue"><input id="mwwue"></input></strike>
        <ul id="mwwue"><sup id="mwwue"></sup></ul>
      • Chinese english

        After-sale Service
        Current Location:Home > After-sale Service

        1, in order to strictly in accordance with the contract to do the service work, the company designated by the technical department, the business department to send someone to be responsible for the work of the contact service tender goods, to ensure the smooth flow of 24 hours. 

        Contact: Lei Jie: Office Tel: 0372-2781333 18037214728 Fax: 0372-2780730 

        2, before delivery to the goods quality, specifications, performance, quantity and so on a comprehensive inspection, each batch of product quality assurance and inspection certificate. According to the tender documents and the standard of Ministry of Railways and the production drawings, production of bidding goods according to the contract delivery requirements, ensure the quality and quantity, bidding, material delivery schedule, often implement specific delivery plan and date and contact the buyer, the buyer to ensure the construction progress, as a result of our supply caused by the construction site downtime, we bear all the resulting economic responsibility. 

        3, the tender after shipment, each batch of goods by full-time staff on-site delivery straight to acceptance, if the quality of the product shortage or resolved in a timely manner by my company to bear all the economic responsibility at the same time, the buyer can send goods at random will bid "Academy of Railway Sciences products quality inspection center" test. 

        4, in order to ensure the bidding materials use effect, the company is committed to product warranty for an overhaul period of the warranty period, the company is committed to product implementation of "Three Guarantees", responsible for any defective products, at the same time commitment of liability for breach of contract, for any quality problems or not according to the contract according to the delivery of a claim under special conditions the contract. 

        5, technical services and training. In order to ensure the bidding materials at the construction site of the correct installation and use, the company promised to send technical service personnel for technical services and provide free on-site training, training manuals, to use to master the technical installation and maintenance. Our company guarantee to do for you "supply qualified products, provide thoughtful service", and strive to make our greatest contribution to the construction of the railway.

        Top 久草福利亚洲综合蜜臀| 东京热加勒比在线观看| 日本人妻有码中文字幕| 久久久久97国产精| 国产三级在线观看视频| 日韩在线一区二区不卡| 蜜桃av人体精品一区二区三区| 国产伦久久精品一区二区三区18| 欧美va天堂在线电影| 精品成人影院中文字幕| 欧美日韩一区二区三区日日| 日韩精品啪啪免费视频| 男女做的视频国产免费| 91久久亚洲成人精品| 免费播放很黄很色毛片| 国产美女极度色诱视频www| 天堂av亚洲一区二区| 国产夜色撩人最新地址| 成人av毛片免费在线| 亚洲无砖砖区免费视频| 亚洲欧美日韩国产合集| 国产美女视频国产视视频| 国产视频日韩视频欧美视频| 色综合蜜月久久综合网| 在线免费不卡av网站一区| 久久夜色国产亚洲av| av天堂精品久久综合网| 国产一区二区在线影院| 在线成人激情自拍视频| 久久99精品国产麻豆婷婷| 男女的视频夜一区二区| 国产农村老熟女国产老熟女| 色综合久久中文字幕| 日本一区两区三区不卡视频| 久久这里都是精品国产| 成人免费在线视频日韩| heyzo综合国产精品216| 91日本人妻在线口爆吞精| 激情内射亚洲一区二区| 欧美日韩成人在线一区| 久久精品女人天堂av影院|