Liaocheng Zeyu Metal Products Co., Ltd. is a professional manufacturer of all kinds of rock drill rod, drill mine drill rod and other large-scale manufacturing enterprises, the company is located in the scenic canal ancient capital Jiangbei Water City (Liaocheng), position the company VIP, west of Beijing-Kowloon Railway, north Dracocephalum Expressway, Beijing-Hangzhou Grand Canal through the city, the traffic is very convenient. Is a collection of production, services, new product development in one of the large enterprises. Production of a variety: hexagonal drill rod, round drill rod, drill rod drilling machine, mining drill rod, 55SiMnMo Rod, 60Si2Mn Rod, 40simncrnimo Rod, 23CrNi3Mo drill rod, hollow circular drill rod, drill rod heavy, solid solder cannabis rods, hollow twist drill rod, drill rod hexagonal spiral drill rod specifications: H19, H22, H25, H28, H32, H35 Round Rod Specifications: D32, D38, D45, D51 Material: 55SiMnMo, 60Si2Mn, 40simncrnimo, 42CrMo, 23CrNi3Mo , 95CrMo, 35SiMnMoV, 22SiMncRNi2Mo, special sizes and material can be customized according to customer requirements! Products are widely used: rock mining, mining, railway, tunnel engineering, metallurgy, coal, water conservancy, mountains, quarrying. Companies adhering to the "customer first, forge ahead" business philosophy, the "customers first, time, first, quality first" principle to provide our clients with quality service, is willing to old and new customers sincere cooperation, create brilliant. 

palabras clave: zk5simnmo, hollow steel, hexagonal hollow steel,