• Warmly welcome our distinguished guest from Spain to Densen Group

    Warmly welcome our distinguished guest from Spain to Densen Group.Densen Group are getting to be recognized and respected around world as a World Class Industrial Solutions Provider. We sincerely hope to build a cooperative and mutual beneficial business relationship with customers all over the world!

  • Hannover Messe 2018 Had Been Successfully Concluded

    At the moment of the blooming spring fragrance, New Densen attended an extraordinary and significance event which is HANNOVER MESSE 2018.

  • The classification of the forging equipment

    According to different transmission mode, the forging equipment can be divided into the hammer, hydraulic press, crank press, rotary forging machine, and screw press.China currently adopts pneumatic hammer is made up of 30 ~ 1000 kilograms, steam air from 1 ~ 5 tons of free forging hammer, used for

  • Types and characteristics of forging

    When the temperature exceeds 300-400 ℃ (steel blue brittle zone), 700-800 ℃, the deformation resistance will decrease sharply deformation can also get great improvement.According to the different forging temperature area, in view of the different quality of forgings and forging process requirements,

  • Pipe welding will enter a "laser welding" era

    On December 30, 2016, China petroleum pipeline bureau is responsible for the oil and gas pipeline girth weld of major progress was made in the laser/arc welding technology research, CPP became the first international attempt to oil and gas pipeline girth weld laser/composite welding arc used in long

  • Machine motor maintenance five measures

    Magnetic separator is one of the important mineral processing equipment, mainly used in ferrous metal mineral, iron ore magnetic separation;Nonferrous and precious metal collection - tungsten tin, copper molybdenum separation, separation of copper lead;Heavy media separation of magnetic magnetic sep

  • 9 ni steel welding process

    9 Ni steel is w (Ni) is 8.5% ~ 9.5% of low carbon martensite is a cryogenic steel size, is a kind of excellent material used in the manufacture of LNG storage tank.9 ni steel welding, appropriate USES string cable energy, multilayer multipass welding, without preheating before welding, but need to c

  • Casting mold parts processing

    Part in all kinds of technical requirements on the one hand, influence on the performance of the parts work, on the other hand, is directly related to the economy and feasibility of the manufacturing process.What are often asked casting mold parts processing technical requirements, the following sim

  • How to prepare magnetic separator roller maintenance

    Magnetic separation pause if owners through the rare metal drum powerful magnetic filtered from the ores, as the most prone to wear and tear parts, magnetic separator drum drum surface as a result of the work has been in the process of mineral powder scour, wear is quite serious.When magnetic separa

  • S31008 (06 cr25ni20) heat-resistant stainless steel welding technology

    S31008 (06 cr25ni20) is a kind of high cr-ni austenitic stainless steel, heat-resistant for strong corrosion resistance and resistance to high temperature, the welding is easy to produce hot crack, such as welding technology to master is bad, will affect the safe use of equipment.The coefficient of