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Mr.naijian Tel:+86-10-85801613, 85801322 85801612, 85801321
Beijing Hengye Zhongyuan Chemical Co.,Ltd.
Country: China (Mainland)
Business Type: Trading Company
Mr.naijian Tel: +86-10-85801613, 85801322 85801612, 85801321 Email: naijian@163bj.com
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