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010-58464221 010-58464223 Fax：010-58464221 Address：北京市通州區綠地中央廣場二期1501室

Handan Changsheng Pipe Making Co., Ltd.

Add time：2017-10-16 Browse times：1783second

Congratulations to Handan Changsheng pipe manufacturing Co., Ltd. for the certification of ISO14001 environment and OHSAS18001 occupational health and safety management system

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Handan Changsheng Pipe Making Co., Ltd.