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Sep 30,2025
Bosun obtained the International Railway Industry Standard certificate (IRIS) and ISO 9001:2008 certificate.
Sep 30,2025
the invention patent "A laser-welded diamond circular saw blade and its preparation method" (Patent No.: ZL200910073628.3) won the 18th China Patent Excellence Award.
Sep 30,2025
Bosun obtained the maintenance qualification of Changchun Railway Vehicle Co., Ltd., and was issued the "Procurement Supplier Qualification Certificate".
Sep 30,2025
Bosun started the construction project of Bosun Rail Transit Equipment Industrialization and Engineering Laboratory. In December 2017, CRH380B/BL/CL series brake pad for EMUs obtained the "Railway Product Certification Certificate" issued by CRCC.
Sep 30,2025
Bosun completed the acquisition with Changzhou Kingcattle Abrasives Co., Ltd. and entered the coated abrasives business field.
Sep 30,2025
the brake pads of 200-250km/h for EMUs began to carry out special emergency braking test and the evaluation of loading operation at the Shijiazhuang EMU Application Station of China Railway Beijing Bureau Group Co., Ltd.
Sep 30,2025
Bosun acquired part of the equity of Wenshang Haiwei Locomotive Parts Co., Ltd.
Sep 30,2025
the Company introduced the world's advanced 1:1 brake power test bench from Germany. The maximum test speed of the test bench is 520km/h.
Sep 30,2025
the brake pad for CRH3C was added into the CRCC Railway Product Certification Certificate" for EMUs of 300-350km/h and above, which expanded the scope of applicable models of this product. In the same year, a full intelligent production line for high-speed rail powder metallurgy brake pads was built, with an annual production capacity of 80,000 powder metallurgy brake pads.
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