Shandong Zhongzheng steel pipe manufacturing Co. Ltd is a large - scale seamless steel pipe production enterprises, Estimated that annual production capacity of 600,000 tons, is Shandong'''''s largest supplier of seamless steel pipe production, sales income will reach 2.5 billion.Carbon Steel Pipe ManufacturersShandong Zhongzheng Steel Pipe Manufacturing Co.. which is located at Liaocheng,once of the biggest steel pipe production base in China. All kinds of CS steel pipes are made and supplied by us with high quality and low price.Company Overview - Shandong Zhongzheng Steel Pipe Shandong Zhongzheng Steel Pipe ManufacturingShandong Zhongzheng Steel pipe Manufacturing CO.,LTD is a large seamless steel pipe manufacturing enterprise.
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