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ZHEJIANG CHAOLING CHINAWARE VALVE CO.,LTD. Tel£º0086-576-86329331 Fax£º0086-576-86329330

CHANGCHENG AIRTIGHT CO.,LTD.(old factory) Tel£º0576-86331688¡¡Fax£º0576-86331688¡¡¡¡¡¡ Email£ºchaoling2002@163.com