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: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://m.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
        av在线播放亚洲麻豆| 国产免费成人自拍视频| 国产亚洲精品自拍视频| 人妻少妇av在线观看| 一本色道久久综合亚洲精品婷婷| 免费视频好湿好紧好大好爽 | 亚洲国产午夜精品福利| 中文字幕av乱码在线| 在线播放国内人妻自拍| 激情综合网激情五月在线| av不卡影院免费观看| 看一级黄色片一级黄色片| 国产户外露出第一区久| 精品福利一区二区三区| 中文字幕国产在线精品| 精品国产一区二区三区四区色| 97国产美女内射视频| 亚洲av黄色在线播放| 国产真人作爱免费视频道歉| 亚洲熟妇久久国内精品老司机| 色综合久久人妻五十路| 成年人视频在线播放视频| 中文亚洲精品在线观看| 久久精品国产亚洲av热九九热| 日本在线观看一区不卡| 国产乱人伦偷精精品视频| 国产成人av一区二区三| 国产精品自拍露脸在线| 最新无码国产在线视频2021| 国产熟女自拍偷拍视频| 久久国内偷拍综合视频| 久久这里都是精品一区| 久久久久99人妻一区二区三区| 亚洲乱码少妇中文字幕| 欧美一区二区三区精品性色| 国产老师开裆丝袜喷水视频| 色窝窝无码精品AV| 国内揄拍国内90后精品少妇| 中文字幕精品人妻丝袜| 97精品多人一区二区三区| 国产精品女同一区二区久|