Guizhou Haotian Optoelectronics Technology Co., Ltd. (HTOT or GHTOT) is the world-leading sapphire manufacturer specialized in providing sapphire crystal, ingot, brick, sliced wafer, polished wafer and window for LED, Optical, smart phone, watch, semiconductor, aviation, aerospace, national defense industry.
HTOT is located in the Hi-tech Zone of Guiyang, Guizhou province. With rich local resource of Alumina, Molybdenum and electricity, HTOT advanced rapidly by innovating modified HEM method to grow sapphire crystal. The company originates its technology from material Gurus who have decades of experience from world-famous optical & optoelectronics material and processing companies. HTOT is expertise on mass production of sapphire crystal growth and processing with cutting-edge technologie