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:2015/10/15 19:37:20 Clicks:2060 Close
        Previous product: Medical valve castings  Next product: Investment Casting
        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:  4445
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        亚洲激情一区二区三区四区| 熟妇的奶头又大又长奶水视频 | 人妻人人做人碰人人添| 国产精品视频在线免费看| 国产熟睡乱子伦视频观看软件| 国产精品高潮久久av| 精品码字幕区中文在线| 青青91青操在线视频| 国产山村乱婬老妇AV色播| 色欲综合久久躁天天躁| 色阁精品香蕉一区二区| 亚洲视频一区在线播放| 日韩有码中文字幕在线视频| 五十路熟妇雪白的大屁股| 亚洲久热无码AV中文字幕| 黄色一级性视频放一下| 国产精品久久久久久久久岛国| 亚洲成女一区二区三区| 亚洲女初尝黑人巨高清| 精品人妻国产一区二区三区| 午夜啪视频在线观看麻豆| 麻美由真中文字幕人妻| 绝顶丰满少妇AV无码| 精品人妻少妇av免费看| 国内一区二区三区av| 日本人妻少妇精品视频专区| 国产福利一区二区三区视频在线看 | 日本国产高清一区二区| 在线观看av国产自拍| 国产一区二区三区资源在线观看 | 亚洲熟妇AV一区二区三区| 蜜臀av在线播放懂色| 久久这里有精品视频免费| 天堂av在线播放免费| 精品国产无套在线观看| 少妇人妻精品视频三区二区| 亚洲一区二区三区精品中文字幕| 亚洲乱码精品中文字幕| 亚洲精品日韩精品欧美精品| 老子午夜精品888无码不卡| 亚洲国产丝袜美女在线|