Beijing Jincheng Mining Technology Co., Ltd. is a leading manufacturer, supplier, and factory of R28 coupling sleeves in China. Our R28 coupling sleeves are designed to connect two threaded drill rods and improve both drilling efficiency and safety. Made from high-quality materials, our R28 coupling sleeves are highly durable and offer excellent resistance against wear, corrosion, and impact. Their precise thread design ensures a secure and tight connection between the drill rods, allowing for better energy transmission and faster drilling speed. At Beijing Jincheng Mining Technology Co., Ltd., we are committed to delivering the highest standards of quality and reliability in all our products. Our R28 coupling sleeves are no exception, and we pride ourselves on offering our customers the best possible solutions to their drilling needs. Whether you are a mining, construction, or geological exploration company, our R28 coupling sleeves can help you achieve your objectives with precision and efficiency. Contact us today to learn more about our R28 coupling sleeves and our complete range of drill rig accessories.