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 20:03:18 Clicks:2140 Close
        Previous product: Machinery parts precision castings  Next product: Piston Ring Castings
        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:  5755
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        亚洲av伊人久久综合性色| 成熟丰满熟妇AV无码区| 成人亚洲黄色在线观看| 在线视频一区二区观看| 一区二区在线亚洲av蜜桃| A级毛片毛片免费观的看久| 久久精品国产亚洲AV麻豆| 综合国产综合亚洲综合| 男自慰?免费观看| 杨幂国产精品一区二区| 中文字幕码一区二区三区| 露脸的国产极品在线观看| 精品久久久精品久久久精品| 一级二级三级国产成人| 久热香蕉精品在线视频| 国产精品情侣露脸av在线播放| 人妻无码中文字幕| 亚洲中文字幕在线一区二区三区| 亚洲熟妇另类久久久久久| 亚洲欧洲国产精品自拍| 九九热视频这里是精品| 欧美一卡二区三卡四区| 欧美日韩亚洲中文二区| 欧美日韩美女美女一级片在线| av狼人婷婷久久亚洲综合| 一本大道AV伊人久久综合| 久久中文字幕人妻丝袜| 自拍偷在线精品自拍偷| 偷拍激情视频一区二区| 国产精品久久av一区二区| 久久精品国产av极品| 亚洲欧美色欧另类欧日韩| av在线播放观看国产| 精品不卡顿一区二区三区| 国产三级黄色在线观看| 国产精品黄色一区二区| 日韩亚洲一区中文字幕| 亚洲一区二区在线视频播放 | 内射极品少妇一区二区| 中文字幕精品亚洲无线码一区应用| 中文字幕一区二区精品区|