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: 99在线观看 | 日本欧美久久久久免费播放网 | 无码人妻精品一区二区三区不卡 | 精品视频一区二区 | 麻豆精品| 天天操狠狠操 | 亚洲国产精品视频 | 日韩成人无码 | 午夜精品久久久久久久99黑人 | 久久免费精品视频 | av少妇| 一区在线观看 | av在线资源 | 欧美日韩在线播放 | 爱爱小视频 | a天堂在线 | 91导航| 精品一二三区 | www四虎| 在线免费视频 | 尤物在线 | 日韩另类 | 中文字幕码精品视频网站 | 熟妇人妻中文字幕无码老熟妇 | 日本一级一片免费视频 | 天堂在线 | 欧美大片视频 | 中文字幕码精品视频网站 | 亚洲欧美国产精品专区久久 | 欧美极品欧美精品欧美图片 | 女人天堂av | 亚洲免费网站 | 欧美一二区 | 亚洲最大成人网站 | 国产欧美日韩 | 在线永久看片免费的视频 | 国产在线一区二区三区 | 国产黄色一级片 | 91视频免费观看 | 在线观看av网站 | 成人免费在线视频 | 黄色av电影 | 成人免费毛片男人用品 | 狂野欧美性猛交xxⅹ李丽珍 | 成人性生交大片免费卡看 | 日韩成人在线观看 | 国产三级网站 | 国产精品视频免费观看 |