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.
We have three subsidiary co***nies. They are Shandong Tongya Steel Plate Co.,Ltd., Shandong Tongya traffic safety facilities Co.,Ltd. and Shandong Tongya Machinery Co.,Ltd. Our production area reaches 1,300 acres; fix...
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