No2.Caotan 9th Road,Caotan Ecological Industrial Park E&T Development Zone,Xi'an China
Xi'an Yongxing Science and Technology Development Co.,Ltd was founded in 2001.It is an comprehensive enterprise group incorporating R&D,manufacturing,processing(OEM),international trade service a whole,being widely applied the industries of ...
electrode array,LWD drill collar pup joint,oil well logging calibration,rubber plate,tri-layered screening tube