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1993

Establish Changzheng Chemical and Glass Co., Ltd.


2001

Establish Kelong Chemical Reagent Factory


2012

Establish Chron Chemicals Co., Ltd.


2016

KNOWLES Break through domestic technical barriers and reach advanced international level


2017

Chron expand the national layout


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028 - 84518160

ADDRESS:
No.16,Yangheng 5 street, Tianfu New Area Industrial park,Qionglai,Sichuan province, China.
CODE: 611530
E-MAIL: info@chronchem.com
Complaint email: service@chronchem.com

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