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
        精品免费一区二区三区在| 综合一综合二综合久久| 日本另类一区二区三区| 成人国产三级在线播放| 少妇午夜福利一区二区| 亚洲中文字幕在线二页| 97国产熟女一区二区三区| 国产综合亚洲亚洲国产第一页| 亚洲天堂成人一区二区三区| 人妻夜夜爽天天爽麻豆四区av| 久久99国产精品一区| 国产亚洲精品第一综合| 精品一区二区三区少妇av| 亚洲AV最新在线观看网址| 91精品久久久中文字幕| 午夜福利欧美在线观看| 一片内射视频在线观看| av诱惑一区二区三区| 国产小视频一区二区三区| 欧美日韩成人综合在线| 国产亚洲精品资源在线26U| 亚洲国产av一区二区三| 国产日本高清在线观看| 国产一在线精品一区在线观看| 久久精品亚洲成人av| 日本一区一区不卡视频| 精品国产一区二区三区久久狼 | 国产男女黄视频在线观看| 男女69式囗交真人视频| 久久亚洲一级av一片| 一区二区中文字幕人妻| 国产一片内射播放免费| 无码专区人妻系列日韩| 看国产午夜福利视频在线观看| 国产熟女丝袜俱乐部av| 中文字幕成熟丰满人妻| 国产精品自偷自拍对白| 亚洲精品日韩综合av| 欧美日韩久久中文字幕| 国产一区二区在线观看视频免费 | 欧美高清一区二区视频|