Recently, the spray rod for a Agricultural UAV Done that developed independently by Shandong Kate Intelligent Robotic Co., Ltd, which under flag of Shandong China Coal Group passed the audit of the St
Car Arrester obtained the Certificate of Utility Model Patent(Cert. no:5838555, Patent no: ZL 201620879706)
Fixed Type Stop Buffer obtained the Certificate of Utility Model Patent according to the Patent Law of the People''s Republic of China
Underground mine activity bracket mine car which is independently researched and developed by China Coal Group passed the audit of the State Intellectual Property Office and obtained the Certificate o
sliding buffer stop( product details please refer to https://www.railroadmachinery.com/productinfo1521), which developed independently by China Coal Group passed the audit of the State Intellectual Pr
No Pressure Air Door of China Coal Group passed the audit of the State Intellectual Property Office and obtained the Certificate of Utility Model Patent
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Executive Editor: Zhang Wen / Editor: Linda Zhang