欧美日韩国产一二三四五区,国产区在线观看成人精品,91亚洲精品国产嫩草,国产丰满的富婆自拍对白,久久精品偷拍视频观看,国产av一区二区中文字幕,久久国产超碰女女av,久久不卡国产一区二区,欧美中文字幕一二三四区,亚洲欧美熟妇欲乱又伦

<delect id="d07zl"></delect>

    1. <rt id="d07zl"></rt>
        <rt id="d07zl"></rt>
        Welcome to Shenzhen Zhongyuan Plastic Co., Ltd!

        News



        Tel:(0755)27151698
        Fax:(0755)27150611
        Mailbox:szzyzcl@163.com / szzy@szzy99.com
        Add:Building A1 and A2, No.1 Industrial Zone, yuliu property company, Gongming town, Bao'an District, Shenzhen
        Industry information

        當(dāng)前位置:

        首頁(yè) News Industry information
        • Deep hole drilling of die processing technology

          Deep hole drilling of die processing technology

          2024-04-29

          The manufacturing process of deep hole drilling is widely used in the processing of injection molds. This method requires a spec……

          MORE
        • Processing characteristics of plastic shell of power supply

          Processing characteristics of plastic shell of power supply

          2024-04-24

          In fact, the common processing of the power supply plastic shell mainly includes a female mold composed of a female mold combine……

          MORE
        • Design essentials of injection molding parts

          Design essentials of injection molding parts

          2024-04-09

          In the process of injection molding, due to the uneven cooling and shrinkage of plastic in the mold cavity and the unreasonable ……

          MORE
        • Influence of injection molding part design on mold processing

          Influence of injection molding part design on mold processing

          2024-04-09

          1. Good product structure (1) product design should try to avoid unnecessary side concave and the use of mold core pulling mecha……

          MORE
        • Key points to master in plastic shell injection molding process

          Key points to master in plastic shell injection molding process

          2024-03-27

          Plastic shell, as the name suggests, is a shell product made of plastic materials. Such products generally need injection moldin……

          MORE
        • Preparation before injection molding

          Preparation before injection molding

          2024-01-24

          Injection molding production is the last step of molding injection molded parts. Before injection molding processing and product……

          MORE
        • Six modification trends of plastic household appliance shell

          Six modification trends of plastic household appliance shell

          2024-01-24

          At present, there are six trends of modified plastics for household appliances. It mainly includes: brighter appearance color \ ……

          MORE
        • 醫(yī)療器械外殼的挑選方法

          醫(yī)療器械外殼的挑選方法

          2024-01-03

          1、外觀和用料 外觀和用料是一個(gè)醫(yī)療器械外殼的基本上的特點(diǎn),外觀直接決定了一個(gè)外殼能不能被客戶接受的首要標(biāo)準(zhǔn),所以現(xiàn)階段的外觀也逐漸偏重多樣化發(fā)展趨勢(shì),因而在我們的測(cè)試中也占有一定的比重。用料關(guān)鍵取決于醫(yī)療器械外殼廠家選用的材料,醫(yī)療器械外殼的邊緣是否經(jīng)過(guò)打卷處理,材料的好壞也會(huì)影響到防電磁輻射性能。 ……

          MORE
        • 塑膠外殼開(kāi)模震動(dòng)的解決方法

          塑膠外殼開(kāi)模震動(dòng)的解決方法

          2023-12-27

          塑膠外殼注塑成型的解鎖模具很容易產(chǎn)生振動(dòng),對(duì)機(jī)器的壽命和穩(wěn)定性影響很大。因此,在調(diào)整塑膠外殼解鎖模具的時(shí)候,請(qǐng)注意以下的事項(xiàng):慢速開(kāi)啟速度是模具的啟動(dòng)速度,所以速度低于中速,一般使用慢速中壓。因?yàn)槟0逶阪i緊的過(guò)程中有一定的變形產(chǎn)生夾緊力,所以啟動(dòng)壓力可以適當(dāng)高一些,一般在50%左右。慢位看型號(hào)而定,一般在塑膠外殼的模具……

          MORE
        • Solution to lack of glue in plastic shell

          Solution to lack of glue in plastic shell

          2023-11-29

          Lack of glue, also known as insufficient filling, is one of the common problems in the process of injection molding. The injecti……

          MORE
        • Influence of color unevenness in injection molding

          Influence of color unevenness in injection molding

          2023-11-29

          In the process of injection molding, some carelessness will often cause defects in plastic products, which will affect the effic……

          MORE
        • Process flow of plastic shell for power supply

          Process flow of plastic shell for power supply

          2023-11-01

          In fact, the common processing of the power supply plastic shell mainly includes the female mold with variable cavity composed o……

          MORE
        « 4 5 6 7 8 9 10 11 12 »
        Copyright: Shenzhen Zhongyuan Plastic Co., Ltd. | mold processing customized manufacturer. If you want to know the processing price of the factory, how much is it, and which is good, please contact us Yue ICP Bei No. 17060480
        精品一区二区免费视频| 国产高清黄色在线观看91| 久久精品国产欧美另类| 欧美日韩中文字幕专区一二三| 国内精品国产成人国产| av在线播放一区二区三区| 亚洲美女性生活一级片| 国产午夜福利免费入口| 日本人妻少妇被粗大爽| 制服丝袜人妻一区二区| 紫轩小说亚洲一区二区三区| 男女午夜视频免费观看| av在线国产一区二区三区| 中文国产不卡一区二区| 亚洲欧美中文日韩视频二区| 中文字幕一区二区亚洲| 激情五月综合婷婷淫淫| 野草社区在线高清视频| 传媒视频免费观看完整| 国产大屁股喷水骚美女视频| 中文字幕乱码熟女少妇| 日本a亚洲中文字幕永远| 在线观看中文字幕有码| 亚洲欧美一区二区不卡精品| 丰满人妻被中出一区二区| 色噜噜精品一区二区三| 自拍偷亚洲产在线观看| 精品亚洲人妻在线视频| av中文字幕乱码在线看| 日本国产成人国产在线播放 | 亚洲午夜福利一区二区| 激情文学人妻中文字幕| 欧美精品黑人一区二区三区| 精品婷婷色一区二区三区蜜桃| 青草视频在线观看成人| 日韩精品一二三区在线播放| 国产熟女精品一区二区三区| 久久久久久九九99精品| 国产一区,二区,三区免费视频| 精品人妻一区二区三区在线视频| 香港三级精品三级在线专区|