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Contact Us
Manufacturing base:
NO. 16, Guangtong Road, Longquan Town, Zichuan District, Zibo City, Shandong, China
Oversea Sales:
Tel: 86-532-86959667 Fax: 86-532-86760085
E-mail: sales@changyuintl.com
Domestic Sales:
Tel: 86-533-5860002、86-533-5860039 Fax: 86-533-5860296
E-mail: gtsales@changyuintl.com
Quality Control
Guangtong pays more attention to quality control and quality management. It has an integrated controlled system from raw material purchasing, checking, processing control to finished product checking, stocking. Guangtong has ICP, Marlven Particle Size Analysis, etc. Different advanced equipments help to control the quality to meet various demands from different customers. Also it has ISO 9001:2008 certificate.
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