• Boule_to_large_window2.png
  • Composite-3.png
  • Large_Window_Ortho_NBG.png

Sapphire Growth To Finished Product

HTOT Standard Product Line

Latest News

ISO 9001:2008 Quality management Systems 2016
January 27, 2016

HTOT Receives Recertification to ISO 9001:2008

Guizhou Haotian Optoelectronics Co. Ltd., (GHTOT), a HEM Sapphire producer and fabricator located in Guiyang, China, is committed to providing high quality sapphire products and services to its customers. We are proud to announce that we have received ISO…
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…
Sep 18, 2015

2015 17th Annual "China International Optoelectronic Exposition"

The 2015 17th annual "China International Optoelectronic Exposition" will open on August…
230kg Boule in Factory
Sep 01, 2015

HTOT Successfully Produces 233.05Kg Sapphire Boules

HTOT successfully produced several 230kg-class sapphire boules in March 2015, the…