March 18 Dalian Steel Market Price Quotes

The product name specification material steel factory/origin price (yuan/ton) is Φ6.5mm higher than that of last month than last month General line Φ6.5mm Q235 Tonghua Steel 4890 0 -30 330 High Line Φ6.5-10mm Q235 Tong Steel 4930 0 -30 330 High Line Φ6.5-10mm Q235 New Fushun Steel.......

SNJ all welded valve body line ball valve


The G-Series W-type all-welded body line ball valve manufactured by SNJ is designed to meet US ANSI standards and API6D specifications. The product structure uses a fixed ball structure and has been carefully designed and finite element numerical simulation. The manufact.......

Why joint ventures of commercial vehicle companies are difficult


Background: According to media reports, the cooperation negotiations between Sweden’s Volvo Group and Dongfeng Group are drawing to a close. If all goes well, the two sides will begin cooperation in May next year. After a long period of tortuous negotiations, Dongfeng and Volvo joi.......

Machining center process design

When designing a process, it mainly considers both precision and efficiency, and generally follows the principles of first face back hole, first reference after other, and first rough after finish. The machining center completes machining of all surfaces that can.......

Heavy-duty commercial vehicles to achieve "big, fast, special"


Reporter Zhang Bing reported that on November 5, the vice president of China Machinery Industry Federation Zhang Xiaokai pointed out at the 4th Commercial Vehicle Forum held by the newspaper that China’s commercial vehicles, especially heavy-duty commercial vehicle companies, are i.......

Full implementation of national standard IV diesel vehicles

On March 1, Beijing began to implement the national IV emission standard for gasoline vehicles with a total mass of 3.5 tons or less. Starting July 1 this year, public transport, sanitation, and postal vehicles that have registered Beijing-licensed heavy-duty compression-ignition eng.......