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Zhengzhou Haixu Abrasive Co., Ltd. was formally established
1999
2002
Yixing Haiyu Refractories Co., Ltd. was established
Passed ISO9001: 2000 Quality Management System Certification
2004
2009
Set up a foreign trade team and start to expand business
HENAN SICHENG ABRASIVES TECH CO. ，LTD. Was established
2010