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Factory overlook of a 500 employees QT bolt factoryYULONG GROUP(1500 employees) owns several manufacturing subsidiaries:1. Anyang L......
2020-12-03
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Similar and differences between ASTM A193/A193M Gr B7 and B7MBoth B7 and B7M are from standard specpfication for alloy-steel and stainle......
2020-11-28
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Common heat treatment conceptWhat is Heat-treatment in steel industries?Heat-treatment is the process of heat......
2020-11-25
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42CrMo VS 42CrMoA differencesBoth 42CrMo and 42CrMoA are Chinese GB standard high strength alloy steels, 42Cr......
2020-11-21
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New Hex bolt production line facilities are now arriving, CE certified, standard EN14399 EN15048Anyang Longteng Heat Treatment Material Co.,Ltd is a professional hi......
2020-11-17
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Post Tension pre-stressing Bolt system for Bridge structuresDiameters: M64 M56 M48 M42 M39 M36, customers' technical requirementsL......
2020-11-16
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Celebrate our company's high-strength bolts successfully passed the mining product safety mark certificationOn April 18, 2018, our company independently developed and produced 5 grades of ......
2020-08-24
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Strike the construction drum and play the endeavor movement in unisonOn April 15, 2020, with clear skies and bright sunshine, the launching c......
2020-08-24
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The municipal government supervision team went to Anyang Longteng to supervise the epidemic prevention and control and the resumption of work and productionOn the afternoon of March 17, 2020, Tian Haitao, Deputy Mayor of Anyang City, le......
2020-08-24
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Winter solsticeIn order to let everyone feel the warm holiday atmosphere and eat a bowl of hot ......
2020-08-24
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