High Purity Quartz Crystal Glass Fiber Optic Preform Rod
Shanghai Gengyun Industrial Co., Ltd.Large-Core Optic Fiber Preform Rod High Purity Quartz Preform
Shanghai Gengyun Industrial Co., Ltd.Acme Carbon Ceramic Brake Disk Production Vacuum Graphitization Furnace Carbonization Furnace
Advanced Corporation for Materials & EquipmentsPreform Step Multi-Mode Fiber 50 / 125, 62.5 / 125
Shanghai Gengyun Industrial Co., Ltd.Preform of Fluorine-Doped Gradient Fiber, 700~2200nm Refractive Index Profile of Working Wavelength
Shanghai Gengyun Industrial Co., Ltd.