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:2074 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:  9323
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        亚洲av日韩av激情亚洲| 国产三级久久久精品麻豆三级| 一区二区三区日韩亚洲| 久久中文视频在线观看| 亚洲中文字幕av有码| 久久久国产成人一区二区| 亚洲黄色视屏在线观看| 亚洲欧美日韩精品在线| 久久狠狠高潮亚洲精品| 国产一级黄色av影片| 久久精品国产亚洲av麻豆四虎| 色欲综合久久躁天天躁| 国产亚洲精品第18页| 超碰97人人做人人爱2020| 久久精品少妇一区二区| 国产精品一区久久人爽| 日本高清视频在线一区| 亚洲成人免费一区二区av| 久久午夜伦鲁鲁片免费| 女同性恋亚洲一区二区| 精品精品国产理论在线观看| 男人天堂av免费观看| 成人午夜福利一区二区四区| 日韩精品免费在线视频| 黄页视频在线观看免费版| A在线亚洲男人的天堂| 国产欧美一区二区精品性| 久久久国产精品久久久| 日日摸夜夜添无码无码AV| 日本高清视频在线播放| 亚洲av熟女一区二区| 亚洲一区二区三区久久蜜桃| 在线观看中文字幕一区二区三区 | 中文字幕日韩精品亚洲| 欧美色区一区二区三区| 色久天堂| 国产精品免费视频网站| 亚洲欧美一区二区三四区| 日韩亚洲激情在线观看| 亚洲综合色噜噜狠狠网站超清| 国产精品成人av大片|