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Company News

HTOT Receives Recertification to ISO 9001:2008


ISO 9001:2008 Quality management Systems 2016

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 9001:2008 recertification with 24001 International Environmental System Certification and 28001 Security Management Systems certification. 


The management systems at our Guiyang, China facility were audited by the China Quality Certification Centre (CQC) in December of 2015.  GHTOT has been ISO 9001:2008 certified since 2011 and is committed to maintaining our certification and verifying adherence to the management systems through yearly audits.  


“We strive to meet and exceed the expectations of our customers by providing quality products and high levels of service. Maintaining compliance to the ISO standards is just one part of our efforts to do that.” - Carl Zhang, VP of Operations


In addition to 24001 International Environmental System Certification, GHTOT products also conform to REACH and RoHS standards. “We also care about our environment and work hard to reduce our impact on the environment. Our efforts are monitored, not only by our ISO registrar but also with bi-annual audits by government agencies” 


 QMS 2016 OHAMS 2016  EMS 2016 

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

HTOT to show Asia's largest sapphire crystal at CIOE 2015Guizhou Haotian Optoelectronics Technology Co., Ltd. is a leading manufacturer of large sapphire materials. HTOT provides professional development, production and sales of large-size sapphire crystals (average weight >110 kg) and production of substrate materials.

Founded in November 2010, the Guiyang City Industrial Investment Group and a US technical team joined forces, using the most advanced processing technology and equipment for sapphire growth, combined with years of experience in optical processing and technology development, production and innovation.   

It is reported that in March 2015, HTOT's self-developed the capability to produce quality 230KG sapphire boules, the largest one weighing 233.05KG. This accomplishment once again broke the record for Asia's largest sapphire crystal. The boule had a height of 285mm, and a  diameter of 520mm. This technology breakthrough will further reduce costs and improve production capacity for products such as watches, phone covers, LED substrates, sheets and other mainstream products. It also opens up the opportunity to use sapphire in applications where large substrates are required

HTOT will bring a series of photoelectric sapphire crystals and sapphire substrates to show at the 17th China International Optoelectronic Exposition being held August 31, 2015 - October 3 at the Shenzhen Convention and Exhibition Center  (Booth: Hall 2 2K21).
Haotian Optoelectronics total investment of 2.2 billion yuan, resulted in an annual output of 30 million LED sapphire substrates after the completion of the project.  Products produced are widely used in the semiconductor, chemical, aviation, aerospace, communications and other fields.

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