Shandong Tiefeng Pipe Manufacturing Co., Ltd. is located at the foot of Mount Taishan Mountain, which is famous for its beautiful scenery and five mountains, and is adjacent to Beijing Shanghai Expressway in the east, with convenient transportation The company covers an area of 200000 square meters and has been deeply involved in the precision roller tube and straight seam welded steel pipe industry for many years. It specializes in the production and manufacturing of high-frequency straight seam welded roller steel pipes It is a strong manufacturing company The company has advanced production lines that can efficiently and high-quality complete orders The company has passed the ISO9001 international quality certification in one go with its excellent product quality and excellent management First class management will inevitably bring first-class benefits The company's products have been sold to more than 100 manufacturers, including National Energy Group Ningxia Coal Industry Co., Ltd., Xuzhou Datun Industry and Trade Industrial Co., Ltd., Yankuang Energy Group Co., Ltd., Anhui Masteel Transmission Equipment Manufacturing Co., Ltd., Anhui Hengyuan Coal Power Co., Ltd., Taizhong Group Xiangming Intelligent Equipment Co., Ltd., Datong Keda Coal Machinery Co., Ltd., middling coal Pingshuo Yuchen Co., Ltd. In Shanxi, and have won wide praise and trust from customers