Keyray instrument co., LTD
Email address: keyray@foxmail.com
Tel: 86-755-86190483
Free hotline: 400-885-8825
Address: Third floor,building 4,ShuiBei Industrial Zone,No.42,BeiLi North Road,Luohu District,Shenzhen ,Guangdong Province,China
WeChat (WeChat) service: A001_Keyray
WhatsApp number: +86 13600186802
The jewelry and jade testing center of BeiJing University is a large chain jewelry and jade testing organization in China. Many branches of the testing center choose Keyu spectrometer.
EDS9800T Goldtester
EDS9800 Goldtester M.
EDS8800T Goldtester
EDS8800 Goldtester
Introduction to Keyray I.
Pure gold jewellery and .
produces provide a detec.
Pioneering "key test" mo.
Machine integrated with .
Advantages and Character.
Notice on ordering spect.
The advantage of gold de.
A new type of gemstone d.
Alloy XRF technique anal.
Gold analyzer in the fie.
