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://www.jxsysd.com

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


        Civil HardwareMore>>

        Machinery parts precision castings

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/15 20:03:48 Clicks:2112 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://www.jxsysd.com

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

        Order online
        Ordering Products: 
        Contact: 
        Tel: 
        Address: 
        Email: 
        Remarks: 
        Code:  4924
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        欧洲一区二区三区黄色| 国产区欧美区一区二区| 免费亚洲一区二区三区| 韩国女主播一区二区在线观看| 亚洲欧美国产国产综合一区| 日韩狼人精品在线观看| 国产精品中文字幕在线一区| 久久精品视频这里有99| 7777精品伊久久久大香线蕉 | 久久人妻久久中文一区| 狼色精品人妻在线视频| 99久久精品国产成人综合| 无套内谢少妇高清毛片| 亚洲高清中文字幕专区| 国产午夜av在线播放| 亚洲熟妇精品一区二区| 精品人伦一区二区三区| 91精品亚洲一区二区三区| 在线播放人成视频网址| 中文字幕无码日韩中文字幕| 午夜通通国产精品福利| 人妻中文字幕一区二区免费 | 日本一区二区三区精品| 一区二区三区视频在线看| 日本二区免费在线观看| 国语国产精精品国产国语清晰对话| 四虎永久免费一级黄片| 在线播放亚洲一区蜜臀| 国产免费午夜精品理论| 国产VA免费精品高清在线观看| 亚洲中文三级免费观看| 一区二区三区四区国产日韩| 日韩国产自拍精品视频| 亚洲欧洲国产av综合| 日本一区二区免费不卡视频| 日韩精品极品视频在线免费| 无套内谢少妇毛片在线| 亚洲国产精品第一区二区三区| 精品精品一区二区三区| 国产自产21区激情综合一区| 亚洲精品成人AV在线|