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


        Mechanical parts castingMore>>

        China Precision Casting

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/13 18:29:07 Clicks:2168 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://www.jxsysd.com

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

        Order online
        Ordering Products: 
        Contact: 
        Tel: 
        Address: 
        Email: 
        Remarks: 
        Code:  3303
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        久久人妻中文字幕免费| 日本伦理一区二区三区| 国产成人综合亚洲av| 毛片在线一区二区三区欲色| 天天躁夜夜躁狠狠躁2021| 波多野42无码喷潮AiKA| 免费A级毛片无码免费视频首页| 在线精品一区二区不卡| 粗大挺进尤物人妻一区二区| 国产成人乱色视频网站| 四虎AV永久在线精品免费观看| 日韩精品一二区在线视频| 亚洲精品无码不卡久久久久| 人妻少妇精品一区二区三区| 免费观看亚洲人成网站| 网友偷拍久久精品视频| 亚洲精品日韩精品久久| 亚洲国产丝袜美女在线| 91久久综合精品久久久综合| 三级网站一区二区三区| 熟年人妻一区二区三区| 国产激情久久久久影院小草| 亚洲第一人妻制服丝袜| 四季av一区二区三区| 玩弄丰满漂亮少妇高潮| 蜜桃av多人一区二区三区| 久久精品免费一区二区| 日韩中文字幕精品一区| 激情亚洲专区一区二区三区| 少妇被粗大的猛烈进出图片| 久久精品国产精品毛片| 午夜精品一区二区福利| 亚洲高清在线观看免费视频 | 中文字幕一区二区三区精品人妻| 东京热加勒比日韩精品| 亚洲日本中文字幕三级| 天堂中文在线官网在线| 精品人妻av综合一区| 夜夜嗨av一区二区三区| 蜜臀av中文人妻系列| 国产精品亚洲国产精品|