tgi manufactures quality control equipment, for inspecting glass products.

QCI offer an increasing range of instruments for examining the birefringence found in most transparent glass and plastic products. Birefringence patterns made visible by polarized light can reveal valuable information such as molding defects stress. Our ...

Shenzhen Hengzhiyi Electronic Technology Co., Ltd suppliers high quality jewelry weighing and testing tools, provide a variety of product, like pocket scale, precision balance, diamond selector II, loupe, hardness pencil, polariscope, gauge etc for ...

We are leading manufacturer in China of non-destructive stress measurement instrumentation to the glass、plastics and sapphire industries.Our product line encompasses a complete range strain viewers achieve qualitative quantitative detection. look ...

Shenzhen Fable Jewellery Technolocy Co., Ltd was established in 2006, located which is called Chinese jewelry capital. focus on research and development, producing marketing Jewelry Detection Identification Instruments, specialized gem microscope, ...

Dear Sir/Madam,we are manufacture and export all kinds of optical instrument,such as refractometer,microscope,photoelectric colorimeter,telescope,gem tools,ects.Please go to see our URL, xxxxxShould you require further information on products or ...

GemVale is located in the capital of Chinese jewellery-- Shenzhen. We specialized R&D, manufacture, marketing gem&jewellery test instruments, we aim to supply professional instruments with superior quality and cost performance. Our products are widely ...

Shenzhen Fable Jewellery Technology Co., Ltd., is located in Shenzhen--the jewelry city China.Relying on its particular geographic location and the history development advantage, Shenzhen has been biggest jewellery manufacturing base trading ...

We are a professional optic factory. Our factory established in 1991.We making Dichroscope, Spectroscope, Chelsea Filter, Measuring Microscope, Polarisocpe, Dark Field Loupe, Gem Refractometer, Handfree Desktop Light for Polariscope/dichroscope.We ...