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
Gold, jewelry and jade testing center of China University of Geosciences
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.
