Luoyang Bearing Research Institute Co., Ltd. is a high-tech enterprise that focuses on developing "high, precise, advanced, special and specialized" bearing products for key hosts in various fields of national economic construction and national defense construction. The company mass-produces various types of high-end bearing products and components with an inner diameter of 0.6 mm to an outer diameter of 6.8 meters. Consultation phone: 0379-64881155

Zaozhuang Jinwantong Electronic Products Co., Ltd. produces and sells electric power-assisted bicycles, electric power-assisted mountain bikes, lithium-ion battery packs, electric vehicles, power banks, lithium-ion solar street lights and battery testing equipment and other high-tech products for electric power-assisted bicycles, wireless monitoring equipment, LED lamps, etc. Service phone: 18613665553