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


        Mechanical parts castingMore>>

        China Precision Casting

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/13 18:29:07 Clicks:2211 Close
        Product Details

        Name: Precision Casting Cabinet parts
        Type: force structure
        Model: 40Cr steel
        Brand: Yong Sheng Precision Casting
        Customization: can be formulated with customer demand
        Item Number: YSMP
        Description: Auto Parts Tools casting
        Casting process: investment casting
        Material: carbon steel casting, carbon steel casting
        Product Description
        Casting Process: Water glass investment casting process
        Material Standards:... GB.ASTM AISI DIN BS JIS.
        Maximum Size: 1000mm
        Weight range: 0.10-100Kg
        Casting Dimension Tolerance: CT7 level
        Annual production: 8,000 tons
        Casting pores prevention
        1, for complex thin-walled castings, to improve the precision casting shell permeability, where possible, can be set at the highest point of the vent. A reasonable set of gating system, prevent pouring volume of gas, and is conducive to the cavity gas emissions.
        2, an appropriate increase in pouring temperature, to minimize ladle pouring cup from the mouth to reduce the casting speed, so that a smooth liquid metal filling, to prevent the involvement of gas, so that the cavity in the gas and the liquid metal can be smoothly discharged.
        3, dewaxing mold material should be excluded clean, residual mold material should be minimized.
        4, firing shell to the full, should be high enough temperature; sol and ethyl silicate shell 950 to 1100 degrees Celsius, the water glass shell 850 to 900 degrees Celsius; holding time is greater than & ,, to ensure precision casting shell through roasting, gas evolution substance fully excluded. Roasting complete shell is white or pale gray, there should be no dark spots

        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:  1731
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        久久国产精品久久国产| 亚洲AV无码国产精品色午| 玩弄人妻少妇精品视频| 自拍偷拍精品视频在线| 国产大屁股喷水视频在线看| 日韩精品极品视频在线观看蜜桃| 在线超碰国产精品一区| 在线观看国产三级av| 亚洲一区二区三区视频| 成人av一区二区三区| 中国女人毛毛黑森林| 亚洲精品成人免费专区| 最新国产精品精品视频| 真实国产普通话对白乱子子伦视频 | 尤物视频在线观看入口| 成在线人免费视频一区二区 | 国产大屁股喷水免费观看| 国产精品黄色在线观看| 91精品推荐在线观看| 狠狠躁夜夜躁青青草原软件| 99久久精品国产熟女| 水蜜桃在线视频在线观看| 四虎精品国产精品亚洲精| 亚洲精品99久久久久中文字幕 | 亚洲国产精品天堂一区| 亚洲青青草视频在线播放| 乱码精品国产一区二区| 又大又硬又黄又刺激的免费视频| 最新av一区二区三区| 女同国产日韩精品在线| 中文字幕精品乱码一二三区| 永久不封国产毛片AV网煮站| 乱码字幕亚洲综合小综合| 亚洲精品紧身裙女教师av| 久久综合激激的五月天| 日本一区二区国产精品| 自拍偷区亚洲综合激情| 亚洲精品国产熟女久久| 一区二区日本田国产片| 国产精品亚洲丝袜专区| 日本高清视频在线一区二区三区|