On April 29th, at the “May 1st†Commemoration Conference in Shanxi Province, China National Heavy Duty Truck Group Datong Gear Co., Ltd. was awarded the “Shanxi Province May 1st Labor Award†by the Provincial Labor Competition Committee; the first assembly line of the assembly shop of Grand Tooth Company was the All-China Federation of Trade Unions. Awarded the title of "National Pioneer Workers"; Meng Yandong, an engine gear shop worker of Dazuo Company, was awarded the title of "Technical Innovator for Staff and Workers" in Shanxi Province, and was awarded the "May 1st Labor Medal of Shanxi Province"; Yang Guobin, a technical expert of Big Tooth Company, was awarded "Shanxi Provincial Labor Competition First Class."
Quenched And Tempered Steel Bar
Quenched and tempered steel bar is produced by quenching and tempering which is one kind of heat treatment to get high mechanical properties and hardness. Our advantages and more services of quenched and tempered steel bar includes:
1) Wide range of diameters from 10mm to 100mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.5um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.06mm/h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
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SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdbrightsteelbar.com