News

  • The reading club activity of “The Five Management of Efficient Understanding”

    The reading club activity of “The Five Management of Efficient Understanding”

    On August 31, the August & September reading club was held in welong company. The theme of this reading club was “Five Management of Efficient Understanding”, to deeply understand the meaning and connotation of this book through sharing and discussion. Share and discuss The readin...
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  • How to heat treat the piston rod?

    How to heat treat the piston rod?

    The freezing process and high-temperature process are applied in many fields. For example, heat treatment process is a process that heats metal materials or their products to the required temperature, cools them at a selected speed and method, changes their internal structure, and obtains the req...
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  • Why Choose Drill Bits Carefully?

    Why Choose Drill Bits Carefully?

    Drill bit is a tool that is inserted into drill pipe to penetrate underground rocks and formations. Like a sharp knife cuts underground rock, drill bit is an important core component in the oil exploration and production process. The primary function of a drill bit is to create a borehole by rota...
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  • Body for Piston-type Drill Bit

    Welong Supply Chain can manufacture Body for piston-type drill bit. This type bit usually utilizes air within the cylinder as the fluid meidum. This type of drill bit uses compressed air as a power source to perform drilling operations during underground mining. By controlling the flow and pressu...
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  • Heat treatment of forging parts

    Heat treatment of forging parts

    Many mechanical parts are working under alternating and impact loads such as torsion and bending, and their surface layer bears higher stress than the core; In situations of friction, the surface layer is constantly worn out. Therefore, the requirement for strengthening the surface layer of forgi...
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  • 4145H forging part

    4145H forging part

    Alloy steel is a steel containing elements such as chromium, cobalt, and nickel. Alloy steel includes a wide range of steels, with compositions exceeding the limits of Si, Va, Cr, Ni, Mo, Mn, B, and C allocated to carbon steel Compared to carbon steel, alloy steel reacts much faster to mechanical...
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  • Values cultural consensus meeting

    Values cultural consensus meeting

    In September of 2021, WELONG team held a two-day cultural consensus meeting under the guidance of two teachers. After the teacher’s introduction, all the members were divided into four groups. Each group was given an enthusiastic group name and an excellent group leader was selected. Under ...
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  • Welong reading and sharing club

    In order to build a learning organization, create an internal cultural atmosphere, improve the cohesion and combat effectiveness of the enterprise, and improve the independent learning ability and comprehensive quality of employees, Welong holds a book reading party. September was the first readi...
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  • Welong welcomes the coming Mid-Year Meeting in July 2022

    Welong welcomes the coming Mid-Year Meeting in July 2022. Welong team members will gather on the top of the QingHua Mountains, to learn and think in the nature. There are two topics in this meeting. The first is to summarize and feedback the new value system of the company, and another is to comm...
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