News---Nipple,Flange,Forged Fitting,QINGDAO YINGLI MACHINERY CO.,LTD

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2019-03-28Asiaforge
2013-06-01Qingdao Yingli Machinery Co., Ltd. won the the honorary title of "Provincial Innovation Demonstration Outstanding Units"
2013-03-19Yingli flange factory "one table--one handbook" to ensure the healthy operation of equipment
2013-03-16Yingli Group flange factory production safety is in good shape
2013-03-14The effect of forged steel pipe fittings factory find gap and mining potential
2013-03-12Flange factory constantly improve the quality management level
2011-06-16招标
2011-02-28招标意向书
2009-06-28青岛英利机械有限公司基坑支护施工招标文件

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