Not only round steel pipes, Baolai also manufactures square and rectangular pipes and #hollowsections.#ASTMA500, #EN10210, #EN10219 standards, and so on. Welcome to the BAOLAI® factory to customize the steel pipes that best meet your requirements. 📩 Email at: info@baolaipipes.com 🔗 www.baolaipipes.com / www.baolaisteelpipes.com 📞 WhatsApp/ WeChat/ Phone: +86 138 2121 7904 #steelpipes #tube #China #manufacturer #squarepipe