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ABOUT US

2011-11-11
2011-11-11

At 11:11 on November 11, 2011, Anqing Zhongda Carbon Co., Ltd. officially ignited the calciner successfully

1997-06-08
1997-06-08

Shanghai Yuai Metallurgical Materials co., LTD. was established.

2019-06-01
2019-06-01

Shanghai youai metallurgical materials co., LTD. Was established

History