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About Our Company 

For more than 12 years, we, Suzhou PTC Optical Instrument Co., Ltd. have been proving our ability as an eminent manufacturer and exporter. Our offered line comprises Surface Stress Meter, Polariscope, AOI machine, etc.. We have achieved enormous success owing to our independent research and development, exceptional manufacturing techniques and reliable sales and after sales service. Currently, our company has five completely owned subsidiaries including Shenzhen PTC Vision Technology Co., Ltd. and Suzhou Tianshuo Intelligent Software Co., Ltd. Adhering to the promise of continuous innovation and 100% client satisfaction, we have been devoted to offer high in class solutions to global manufacturers, labs, distributors as well as measurement centers. By thorough research, our team has developed highly efficient equipment which are greatly admired in domestic as well as international markets. Although, we have already conquered this vertical, but our aim is to grow more in terms of becoming a more trusted partner. 

Patent Certificate, Qualifications and Enterprise Honors 

Our company has been accredited with certificate for some major systems like quality management system, intellectual property rights and credit management. Since 2014, we have earned honors from Jiangsu Province Private Technology Enterprise, Kunshan City R & D institutions, Kunshan high-tech benchmark enterprise, etc. Among our product line, some items have been rated as high-tech offerings of Jiangsu Province and provided with Kunshan Science and Technology Progress Award. We have applied for more than 200 patents including 77 authorized patents, 66 utility model patents, 11 invention patents, 3 PTC international patents etc. 

Our Team

In our company, we have appointed highly experienced and skilled personnel. They manage different operations from R&D to manufacturing. Because of their efficiency, we have been able to earn title of the number one company of Chemically-tempered Glass Surface Stress Meter, Polarimeter, Automatic Optical Inspection Machine, etc. etc. There is a separate team working in our company that offers highly reliable support service. Its responsibility is to resolve the queries of clients. 

Development History and Milestones 

Since our inception, we have been ensuring constant growth of the company. Given below are some of the important milestones in our journey:

2005: Established PTC International Co., Ltd.
2008: Established Suzhou PTC Optical Instrument Co., Ltd.
2011: Offered the first set of Polariscope
2015: Awarded as National New High-tech Enterprise 
2016: Started to wholly-owned subsidiaries 
2017: Supplied the first set of AOI machine
2019: Earned Intellectual Property Management System Certificate 
2020: Continued our journey towards innovation 


Our offerings such as Specific PET Preform Polariscope, glass Surface Stress Meter, Appearance Defect Inspection Machine for Mobile Phone glass cover/back etc. find their usage in various areas like:

  • PCB electronic circuit
  • Customized automation solutions
  • Plastic preform
  • Pharmaceutical packaging bottle

  • Touch screen panel
  • High-end Optical glass
  • Optical fiber cable
  • Aerospace
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