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In 1984, Wang Hanzhou cooperated with Huang Mingjin to establish the second instrument valve factory in qingshuibu Town,...
2020-05-20
1、 Ball valve temperature and pressure limitsThe name plate shows the maximum allowable operating pressure of the ball v...
2020-12-11
Announcement of the achievements of the provincial science and Technology Award in 2020In accordance with the requiremen...
2020-12-11

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