Liaocheng Zeyu Metal Products Co., Ltd. is a hexagonal hollow steel production of large enterprises, approved by the Shandong Provincial Foreign Economic and Trade Office, import and export management rights, is a collection of production, trade and services, new product development in one of the provincial large enterprise, company prominent location, west Beijing-Kowloon Railway, the north Ji Han-speed, the Beijing-Hangzhou Grand Canal through the city, the traffic is very convenient. The company mainly produces: Oxygen with hexagonal hollow steel smelting. Specifications: B19, B22, B25, B28, B32, B35. Oxygen hexagonal hollow steel (also known as: hexagonal hollow steel, hexagonal hollow steel, hollow hexagonal, hollow hexagonal) is a blast opening and the necessary tools to deliver oxygen. The products are 45 high carbon steel, and its Advantages: wall thickness, center hole, high strength, and consume small furnace DZ40 deep geological drill pipe, oxygen consumption at the end, and low cost. Has completely replaced the steel type lance. Solder drill rod with hexagonal hollow steel specifications: B19, B22, B25, B28, B32, B35. Material: 80Cr, 55SiMnMo, 60Si2Mn, 40simncrnimo products are widely used: mining, railway, tunnel engineering, metallurgy, coal, water conservancy, mountains, quarrying, rock mining, smelting blowing philosophy of "customer first, forge ahead" business philosophy, adhere to the "customer first" principle to provide our clients with quality services. Liaocheng Zeyu Metal Products Co., Ltd. produces all kinds of mine with hexagonal hollow steel, made of: 55simnmo, 40simncrnimo, 35simnmoV so on. Honesty and integrity, fair and equitable, "integrity bully, good as gold" is the core of traditional Chinese commercial spirit, the company adhering to the essence of traditional Chinese culture, the honesty and integrity, fair and equitable as Liren of Shandong DZ40 geological drill pipe, drilling geological Founding of the DZ40 rod manufacturers, we firmly believe that external: honest, trustworthy business, establishing goodwill; internal: sincere, trustworthy, such as festivals, join forces, depending on the product as a character, depending on the quality of their human dignity, our customers have never Cheung Any defective product quality, company staff said the most sincere greetings to friends and the community, sincerely waiting to guide our company. DZ40, geological drill manufacturers] [DZ40, DZ40 geological drill provided by Zeyu metal. Looking for "hexagonal hollow steel, hexagonal lance, hexagonal drill rod, alloy drill pipe, drill rod mine" reliable suppliers, choose a whole network business alliance certification: Liaocheng Zeyu Metal Products Co., Ltd. (www.zk55simnmo .com), honest and reliable "business alliance customer service" on page now click on live chat with us now!