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Sapphire Growth To Finished Product

HTOT Standard Product Line

Latest News

IMG 1803
February 17, 2017

2017 SPIE Photonics West

HTOT displayed at the 2017 Photonics West show held in San Francisco. We brought our large format sapphire window-Dia 510*22mm thickness, and other sapphire ingots, substrates, wafers and optical windows. Our large format sapphire plate attracted many…
IMG 1263
Nov 24, 2016


C-touch & Display Shenzhen 2016 will be held from Nov.24th to 26th 2016 on Shenzhen…
ISO 9001:2008 Quality management Systems 2016
Jan 27, 2016

HTOT Receives Recertification to ISO 9001:2008

Guizhou Haotian Optoelectronics Co. Ltd., (GHTOT), a HEM Sapphire producer and fabricator…
233kg boule
Oct 14, 2015

HTOT to show Asia's largest sapphire crystal at CIOE 2015

Guizhou Haotian Optoelectronics Technology Co., Ltd. is a leading manufacturer of large…