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


        Casting structureMore>>

        China Precision Casting

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/15 20:04:42 Clicks:2205 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:  1800
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        国产高清女同学巨大乳在线观看| 久久久无码精品亚洲日韩蜜臀浪潮| 国产成人无码精品久久二区三区| 亚洲自拍偷拍精品一区| 99久久婷婷麻豆精品| 少妇一级aa一区二区三区片| 久久99国产精品尤物| 福利一区福利二区视频| 国产精品多久久久久久情趣酒店| 加勒比在线一区二区三区| 国产精品一级av一区二区| 久久综合久久 黄色大片| 亚洲精品成人久久69| 久久人妻少妇中文字幕| 日日骚亚洲乱码av中文| 日韩有码中文字幕在线视频| 亚洲熟妇色自偷自拍另类| 国产福利深夜在线观看| 亚洲成人有码免费在线| 精品无套内射后入少妇| 欧美大香线蕉伊人久久| 亚洲日韩欧洲乱码AV夜夜摸| 欧美日韩一区二区久久| 日韩欧美在线不卡视频| 激情视频在线观看国产中文| 亚洲日本精品中文字幕| 日韩欧美另类中文一区| 大学情侣露脸国产在线一区| 国产精品自拍视频首页| 午夜阳光精品一区二区三区| 四虎亚洲精品永久免费| 丁香色婷婷基地中文字幕| 亚洲热热日韩精品中文字幕 | 亚洲AV超碰爽死狠狠热 | 精品日本一区二区视频| 亚洲欧美日韩精品另类| 久久久久久久久久久久中文字幕| 国产福利一区福利二区| 日本精品乱码一区二区三区| 放荡人妻一区二区三区| 美女主播福利一区二区|