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1993
Establish Changzheng Chemical and Glass Co., Ltd.
2001
Establish Kelong Chemical Reagent Factory
2012
Establish Kelong Chemical Co., Ltd.
2016
KNOWLES Break through domestic technical barriers and reach advanced international level
2017
Kelong Chemical expand the national layout
ADDRESS:
No.16,Line 5.Yangheng Road,Yangan Industrial Zone,Qionglai,Chengdu,China.
POSTCODE: 611534
E-MAIL: info@yobzl.com
Complaint email: service@yobzl.com
