Weifang Siyuan Chemical Co., Ltd. Contact: Mr. Li 17663601818 Tel: +86-536-8888106 Fax: +86-536-8888106 QQ: 2354379876 E-mail: siyuanchem@163.com Website: sweetclues.com Add: Weicheng Industrial Park, Weifang City, Shandong Province, China
