午夜福利av一区二区,久久精品人妻系列在线,成人午夜做爰高潮片免费,人妻丝袜在线日韩精品,亚洲熟女少妇淫语高潮,日本在线观看一区不卡,人妻中文字幕不卡精品,黑人和中国熟女啪啪视频,国产精品午夜福利一区,国产精品久久九九av

<li id="gc843"></li>
<center id="gc843"></center>
<label id="gc843"></label>

  • <center id="gc843"><optgroup id="gc843"></optgroup></center>
    <li id="gc843"><tbody id="gc843"><listing id="gc843"></listing></tbody></li>

      • Wuxi Precision Casting Factory home, welcome to visit Wuxi Yongsheng Metals Goods Co.,Ltd.!

        Favorite | Problem | Sitemap

        page_banner

        Yong Sheng Metal Products

        Piston Ring
        Mechanical parts casting
        Valve Castings
        Civil Hardware
        Casting structure
        Automotive Castings
        Workpiece
        Auto parts casting
        Structural precision casting
        Civil metal casting
        Valve class Precision Castings
        Mechanical parts casting
        Hardware
        Automotive Parts Casting
        Casting structure
        Civil metal casting
        Precision Casting Valve Parts
        Mechanical parts casting
        Valve, pump class
        Auto parts casting
        Structural precision casting
        Civil metal casting
        Precision Casting Valve Parts
        Mechanical parts casting

        Contact Us

        Contact: Zhiyong,Lu

        Hotline:86- 13806173867
        Contact: Miss Ma

        Tel: 0510-68916532
        Fax: 0510-68916533
        E-mail: lyzz@vip.163.com 
        caochuantou@163.com

        Website: http://m.jxsysd.com

        Address: No. 38 Xiqun Meicun Industrial Park Road, Wuxi


        Casting structureMore>>

        China Precision Casting

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/15 20:04:42 Clicks:2248 Close
        Product Details

        Sol casting procedures
        1, inspection equipment, temperature control instrumentation is in normal working condition.
        2, dewaxing autoclave recycling old wax was poured into the filter tank filter; and then sent to stand in the bucket, less than 90 ℃ under the standing 6-8h.
        3, after completion of the precipitation standing water off the wax was poured except bucket.
        4, in addition to a bucket of wax, heat and stirred at 110-120 ℃, the residual moisture evaporation, the visual surface without foam until the liquid wax.
        5, the finished wax liquid water, after <60 mesh filter and then into the <standing barrel 90 ℃, the insulation was allowed to stand for more than 12h.
        6, all except bucket, standing barrel should regularly let go of residual water and debris in the bottom of the dirt.
        7, the bucket standing good recovery process liquid wax to the die press machine cooler in wax for the main production die (runner).
        8, under the old wax material performance and the wax material consumption, from time to time in the right amount standing bucket II add a new wax, generally about 3% -5%.
        9, the qualified incubator poured liquid wax wax cylinders, to reduce the liquid wax wax cylinder gas, first for a period of time after a high temperature 80 ℃ / 2h dropped to 54 ℃. At 54 ± 2 ℃ incubation 24h, before the wax mold for pressing.

        About Us

        Wuxi Yongsheng Metals Goods Co.,Ltd.

        Hotline:86-13806173867

        Contact: Zhiyong Lu
        Contact: Miss Ma

        Tel: 0510-68916532
        Fax: 0510-68916533
        E-mail: lyzz@vip.163.com

         caochuantou@163.com

        Website:http://m.jxsysd.com

        Address: No. 38 Xiqun Road Industrial Park, Jiangsu Wuxi Meicun

        Order online
        Ordering Products: 
        Contact: 
        Tel: 
        Address: 
        Email: 
        Remarks: 
        Code:  3136
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        中文字幕一区二区黄片| 国产无内肉丝精品视频| 人妻熟女av国产在线| 激情久久一区二区三区四区| 网友自拍视频在线国产| 免费无码的AV片在线观看| 亚洲中文三级在线观看| 蜜桃AV噜噜一区二区三区| 午夜爽爽爽男女免费观看一区二区| 国产超碰一区二区在线| 国产午夜福利久久精品| 国产成人无码一区二区三区| 国产精品民宅偷窥盗摄| 永久不封国产AV毛片| 自拍偷亚洲产在线观看| JULIA无码人妻中文字幕在线 | 国产一区二区高潮视频| 日本大道香蕉中文视频| 国产情景av在线播放| 亚洲国产欧美一区三区成人| 中文字幕AV不卡电影网| 偷拍一区二区三区在线视频| 久久亚洲精品人成综合网| 国产日韩欧美另类在线视频| 国产精品av在线一区二区三区| 精品理论一区二区三区| 国产白丝一区二区三区| 无码人妻精品一区二区蜜桃苍井空| 国产精品国产三级国产在线观 | 少妇被粗大的猛烈进出免费视频| 精品免费一区二区三区在| 亚洲天堂免费一二三四区| 西西少妇一区二区三区精品| 超碰在线观看日韩精品| 天堂中文av在线资源| 丰满美妇少妇猛烈进入| 亚洲精品漫画一二三区| 日韩一二三四精品免费| 少妇被粗大猛进去69影院| 婷婷国产精品中文字幕| 日韩欧美亚洲另类激情一区|