Quality Quality

Chungking JoyinchemCo.,Ltd

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CHUNGKING JOYINCHEM CO.,LTD

Tel: 0086-23-77778019

Mobile:+86-13330363310

E-mail: web@joyinchem.net

Add:No.55, Longhu Road, 

Xiangkou Town, Wulong District, 

Chungking City, 408500, P.R China

Zip Code: 408500

Web:www.joyinchem.net 


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Joyinchem have a sound product quality control system managed by trained QC specialists to maintain high standards of each product. In recent years we have collaborated with key laboratories from China’s prestigiouscolleges like Peking University Health Science Center and Southwest University for better support of R&D and QC. Those efforts will empower us to improve our overall competency and become a leading role in the market of chemicals. 


Quality control process:

Quality control process


         Product analysis process:

Product analysis process: