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Shandong Tongya Group is a comprehensive enterprise integrating research & development, production, sales and construction of various kinds of welding pipe, guardrail, hot plating, and static plastic spray etc. It is located at New Century Industrial Park (South) of Shandong Province.&©|160;We have four subsidiary co***nies. They are Shandong Tongya Steel Plate Co., Ltd., Shandong Tongya traffic safety facilities Co., Ltd. Shandong Tongya Machinery Co., Ltd. Shandong tongya international trade co., ltd. Our ...
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