Guizhou Haotian Optoelectronics Technology Co., Ltd. (HTOT or GHTOT) is a world-leading sapphire manufacturer specialized in providing sapphire crystal, ingots, bricks, sliced wafers, polished wafers and windows. The products we produce have applications in LED manufacturing, Optics, smart phones, watches, semiconductors, aviation, aerospace and national defense industries.

HTOT advanced rapidly by innovating and modifying the Heat Exchange Method (HEM) method to grow sapphire crystal. The technology originated from material gurus with decades of experience from world-famous optical & optoelectronics material and processing companies. We then added our knowledge to realize mass production of high quality sapphire crystal and sapphire processing. HTOT is now able to produce sapphire crystal boules with weights from 100kg to 230kg.

Our customers are from Europe, America, Japan, Korea, Taiwan and mainland of China. Among our customers are leading enterprises of LED, optical and consumer electronics industries. Our sapphire is used in the top consumer products in the world.

HTOT has modern sapphire production facilities and equipment located in the Hi-tech Zone of Guiyang, Guizhou province. Guiyang is known for its aboundant natural resources, clean air and water and commitment to preserving the environment. With rich local resources of Alumina, Molybdenum as well as abundant and inexpensive electricity, Guiyang was a perfect home for HTOT. We share Guiyangs commitment to the environment. We believe in conserving resources, manufacuring responsibly and keeping our environment clean!

HTOT also has a commitment to our workforce. Our management team includes people from the US and around the world. We value our employees who are key to our success in research and development and manufacturing. HTOT has very progressive employee benefits and invests in the development and training of our employees. We believe that our employees are the key to our continued success in bringing the highest quality sappire products to the world!