久艹在线-国产精品美女视频-国产精品久久久久毛片大屁完整版-91精品久久久久久久久久-亚洲成人免费在线-男人天堂av网-嘛豆视频-久操福利视频-涩人阁-欧美亚洲天堂网-日韩av网站在线-你懂的视频在线播放-久久久久久久久成人-免费毛片电影-先锋av资源在线-高清国产视频-永久福利视频-国产又粗又长又黄的视频-波多野结衣在线网址-草草视频在线播放-黄色二级电影-涩涩涩涩爱-久久99精品久久久久久噜噜-日韩三级麻豆-亚洲av永久无码精品三区在线-隔壁的美艳-久久免费国产精品-无码人妻精品一区二区蜜桃百度-手机成人网-国产热の有码热の无码视频

Service line:0753-3334588 EN CN
Location: Home> About > Company history
In 1971, the creation of Guangdong Province valve factory.

In 1974, the introduction of West Germany valve technology to create "wide ball" brand name.

In 1991, the establishment of the Guangdong Pearl Ball Corporation, set up the Guangdong Provincial Institute of valves, the product line expanded ball valve, gate valve, globe valve manufacturing, butterfly valves, check valves, etc., launched the "Pearl" brand.

In 1994, the overall restructuring of the establishment of Guangdong Mingzhu Group Co., Ltd. ball.

In 1998, the introduction of three-dimensional design software American PTC company has the contemporary international advanced level.

In 1999, Guangdong Province, established valve technology research and development centers.

In 2001, Guangdong Pearl officially listed in Shanghai Stock Exchange, stock market, invested 230 million for technological transformation, to become one of China's largest production base of the valve.

In 2008, the establishment of the Guangdong Pearl Fluid Machinery Co., Ltd., responsible for the valve business
PRODUCTS  |  CONTACT Copyright ? GUANGDONG MINGZHU FLUID MACHINERY CO.,LTD. 2016 粵ICP備10028130號(hào)
主站蜘蛛池模板: 日本理伦片午夜理伦片 | 亚洲一区二区视频 | 欧美日韩精品在线 | 久久久久国产一区二区三区 | 和两个小婕子做受hd | 香蕉视频在线播放 | 国产精品一区在线观看 | 91视频免费 | 一区二区不卡 | 国产欧美日韩综合精品一区二区三区 | 亚洲成人av | 国产又黄又爽 | 亚洲午夜久久久久久久久久久 | 女人做爰猛烈叫床视频 | 天天干天天操天天射 | 午夜黄色 | 国产在线拍揄自揄拍无码视频 | 黄色高清视频 | 日韩欧美视频 | 黄色一级电影 | 精品免费视频 | 欧美日韩综合 | 欧美人与野 | 欧美黄色一级视频 | 超碰在线 | 性生活大片 | 强开乳罩摸双乳吃奶羞羞www | 午夜在线视频 | 亚洲天堂一区 | 羞羞成人漫画入口 | 波多野结衣一区二区三区 | 免费黄色大片 | 捆绑调教视频 | 玖玖视频| 天天操狠狠操 | 国产一级18片视频 | 亚洲午夜视频 | 亚洲免费观看 | 国产a区 | 中文字幕在线看 | av免费网址| 日韩一级黄色片 | 久久精品一区二区 | 天堂在线视频 | 精品少妇人妻一区二区黑料社区 | 亚洲在线播放 | 欧美日韩国产一区 | 韩国伦理片在线观看 |