<dd id="55ozr"></dd>

        <li id="55ozr"><acronym id="55ozr"></acronym></li>

        <th id="55ozr"></th>

          <tbody id="55ozr"></tbody>
        1. centrifuge
          centrifuge

          First : according to user demand, sales of machinery and equipment, the most economical and reasonable purchase plan.
          Second : according to user requirements, provide the relevant technical documents, according to the contract requirements of quality and quantity, on schedule to fulfill the contract to ensure that each user timely use of diesel generator quality.
          Third, customer service:
          1 warranty period:
          2 technical service: we provide technical information of product manual, parts manual complete free, and detailed training materials. Free to send technical experts to the scene for skilled technical guidance and installation and commissioning, until the normal use of delivery.
          3 parts, service: provide free parts, long-term supply of spare parts and components.
          4, maintenance services:
          5, the principle of service:

           


          Yangzhou YouNaiDe Mechanical Equipment Co.,Ltd.  Copyright(C)yzynd.com Tel086-0514-84601128 E-mailyzynd@yzynd.com
          无套内谢少妇毛a片a片_久久久不卡国产精品一区二区_一本色道久久综合无码人妻_最近中字幕高清免费MV