国产又色又刺激高潮免费看,毛片免费网站,国产裸体裸拍免费观看,亚洲AV无码乱码精品国产草莓,18禁高潮出水呻吟娇喘蜜芽,国产欧美日韩精品A在线观看,日韩一级特黄毛片在线看,国产亚洲情侣一区二区无,俄罗斯老熟妇乱子伦视频,超频人妻在线视频

1、吉川擁有自己的研發團隊，大部分成員擁有同行業10-20年的從業經驗其中還有成員參與了（1 996年）“中國噴砂機行業”的標準制定。
2、吉川每年投入近500萬的研發費用進行設備研發和改良；
3、吉川研發團隊與華南理工大學和南昌大學為友好合作單位；
4、吉川研發團隊獲得了近60項專利；


1 . Yoshikawa has the industry's most professional R & D team, most of the members have 10-20 years industry experience which does not have members involved in the (1 996) "blasting machine industry in China," set the standard record .
2. Yoshikawa Each year, nearly 500 million R & D R & D costs of the improvement of equipment;
3. Yoshikawa R & D team and the South China University and Nanchang University for the friendly and cooperative units;
4. Yoshikawa R & D team received nearly 60 patents;

本產品由上海吉川機械科技有限公司（http://www.mzwyw.com）生產制造，圖片為實物拍攝，轉載請說明出處。嚴禁未經允許用于商業用途，違者必究。