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 metal castingMore>>

        China Precision Casting

        Publisher: Wuxi Yongsheng Metals Goods Co.,Ltd. Release Time:2015/10/15 19:41:13 Clicks:2298 Close
        Previous product: China Precision Casting  Next product: Medical valve castings
        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:  4381
          
        Related Products
        ????

        QQ??????

        • Customer Advisory
        • ??????????????
        • ??????????????
        • Technical consulting
        • ??????????????
        Click to hide
        国产成人精品区一区二区不卡| 欧美日本天堂在线观看| 人妻少妇被粗大爽视频| 国产在线精品一区二区不卡| 国产亚洲高清av一区二区三区| 亚洲天堂av在线一区二区| 国产一区成人精品在线| 婷婷伊人久久久一区二区| 爱福利久99久久久九九| 日韩av在线亚洲一区二区三区| av专区一区二区三区| 亚洲中文字幕av有码| 国产精品一亚洲av日韩| 精品一区二区人妻视频| 日本一区不卡高清在线观看 | 中文字幕久久人妻熟人妻| 亚洲蜜桃麻豆成人av在线| 国产一区二区三区精品在线看| 中文字幕精品日韩一区| 国产精品自拍日本韩国| 日韩成人av午夜福利| 日本吹潮视频在线观看| 亚洲欧美日韩在线观看不卡| 思瑞精品一区二区三区| 中文字幕日韩精品美一区二区三区| 熟女人妻丰满熟妇啪啪| 青青草针对华人超碰在线| 精品女同一区二区三区不卡 | 国产无内肉丝精品视频| 亚洲国产成人无码AV在线| 亚洲熟女少妇av一区| 四季av一区二区三区| 日韩精品一区二区三区人妻| 丁香五月婷婷老师| 懂色av一区二区久久| 国产成人午夜精品一区| 三级网站一区二区三区| 无遮挡黄动漫视频在线观看| 国产高清污黄免费视频| 国产精品亚洲国产精品| 国产精品自拍首页在线观看|