Our company does well in producing hot rolled ERW (stretch reduction) pipe. We have 3 sets of advanced ERW (stretch reduction) pipe production line and equipped with perfect test machines. The ERW pipe is hot rolled, so its welding seam cannot be seen. Its performance is similar to seamless steel pipe. But its price is much lower than seamless steel pipe. It instead of seamless in certain fields. The specifications is as follows: Outside diameter: from 89mm to 630mm Wall thickness: from 3mm to 12.7mm We also can meet the customer抯 requirement except the above specification. More details, please visit our homepage: If you have any inquiry, please feel free to contact me at: Looking forward to serving you with our best quality, competitive price and timely delivery. Best Regards. Amy Lee Zhang Aiming (general manager) Hebei ZhongYuan Steel Pipe Manufacturing Co., Ltd Nanhuan Road, Yanshan county, Hebei Province, China Tel/Fax: 86-317-6085912 Email: Web site: