Tianxin district

Changsha Qlong Instruments Co. Ltd . is an excellent supplier specializing in trading and manufacturing . Our main products is spectrophotometers , hardness tester , muffle furnace , and some testing...

B103,West bulding Project incubation Huda Park No186 ,Guyuan road, high-tech industrial development zone

Our company is a Measurement high-tech enterprise focused on the design, manufacture and marketing of the test equipement, computer control equipment, such as temprature calibrator tester,Hardness Tes...