Laizhou dongsheng valve co.,ltd.   Add：Haizheng village, Laizhou City, Shandong province,China 

TEL：0086-535-2370538 2371078 FAX：0086-535-2370581  E-mail:dongsheng@lzds.cn

鲁ICP备05011846号-1 Technical Support:www.300.cn

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Laizhou dongsheng valve co.,ltd.

ADD：Add：Haizheng village, Laizhou City, Shandong province,China
TEL：0086-535-2370538 2371078
FAX：0086-535-2370581
URL：http://www.lzds.cn
E-mail:dongsheng@lzds.cn