Hot-rolled steel hollow, 55simnmo, hollow steel supplied by Metal Products Co., Ltd. Liaocheng Zeyu. Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo.com) is a professional "hex hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mining" company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Zeyu" brand has a good reputation. We adhere to the "first, users first serve" principle, so that the metal Zeyu won the trust of customers in the congregation of special steel, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you! Geological auger club grooves shaped body with steel drill pipe joints made of high quality alloy steel, tempered by the air conditioning really wearable hollow steel, greatly improving the fatigue strength and shear strength. The use of advanced production technology of friction welding hexagonal hollow steel drill pipe with high bending strength, welding firm characteristics. Full use of advanced production equipment, CNC machining equipment, high production efficiency, quality and stability characteristics. To ensure the requirements of straightness deep hole drilling. The product has a torque, speed hollow steel slag, good drilling molding, easy sticking characteristics. Geological spiral groove drill through the water is particularly suitable for deep-hole drilling slagging ineffective soft rock coal seam and classes. Liaocheng Zeyu Metal Products Co., drill rod products are widely used in mining tunneling, construction, mining and rock engineering hexagonal hollow steel, trusted by the user. Companies adhere to the "quality first, users first" purpose, to provide high-quality products for all customers, and established a good working relationship, and exported to more than 20 United States, Japan, Canada, India, Australia, Nigeria, South Korea countries. The company has strong technical force, advanced detection methods, first-class service team. Develop technology to innovate and develop new products to meet customer needs.