Zeyu Metal Products Co., Ltd. Liaocheng City, Shandong most prestigious steel processing and marketing enterprises, the company's main products hollow hexagonal, inventories remain at more than three thousand tons. The company has passed ISO9001 quality system certification, production of hollow hexagonal, hollow six "integrity bully, good as gold," is a traditional Chinese commercial spirit waiting, waiting dedication to our company guidance. Liaocheng Zeyu Metal Products Co., circular hydraulic drill, hexagonal hollow drill rod, mainly used for: mine development drilling solder alloy rod tunnel. Material: 55simnmo hollow rock drill rod, 35simnmoV, 23crni3mo, 22simncrni2mo, the company has independent export rights, selling products in more than 20 provinces rock drill rod, and exported to South America, Korea, Russia, Kazakhstan and other countries 55simnmo rock drill rod, an excellent reputation in the industry! Our company will be sincere, friendly service, welcome friends from home and abroad, and welcome you to visit, to discuss cooperation. Friends, let us work together for a better tomorrow! Hollow drill drill drill rod _ _ Drilling Rod Rod provided by Zeyu metal. If you have any questions or consult this information, please contact us now! Our Company Name: Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) Contact: Mr. Sun, or click on the "Business Alliance Customer" direct dialogue with us!