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小鱼曾乖乖 2019-12-23

氧化铝瓷球密度，有没有知道的？..

zhaolin 2019-05-13

Dear gods, please ask me a question, what kind of material can nitrogen be used at room te..

Stainless steel raw material supply 0 0

Wuxi Mingbo Stainless Steel Co., Ltd. 2018-12-15

I am here in Dongfang Steel City, Xishan District, Wuxi City, Jiangsu Jinhua Yu Metal Prod..

平安果 2018-05-25

The so-called "one kind of pressure vessel" and "the two category" are divided. Thank you！..

美玲珑44 2018-05-03

First, brief introduction
H steel automatic welding production line is special equipmen..

小鱼曾乖乖 2018-03-26

The plate with positive deviation of Q345R plate or negative deviation plate..

czfypipe 2018-03-23

Cangzhou square pipe industry Co., Ltd.! Specializing in the production of carbon steel se..

czfypipe 2018-03-23

Cangzhou Fangyuan Pipe Industry Co., Ltd. Professional production of carbon steel seamless..

Qualified level of flaw detection 1 0

small qin 2017-12-26

Excuse me, is the qualified level of 100%RT required at II level now..

Pickling 1 0

是董小姐呀 2017-12-05

After the head is pickled, how to deal with the waste liquid..

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