(概要描述)Shandong Zhongzheng Steel Pipe Manufacturing Co., 有限公司. 成立於 2006. It has 120 million yuan in fixed assets, covers an area of ​​260 acres, and employs more than 600 p

(概要描述)公司現擁有 2 現代化的熱軋生產線和先進的監控設備, mainly producing a variety of seamless pipes with a diameter of Φ95-273mm and a wall t