April 24, 2018, a new national patent for invention has been approved —unbreakable piston rod for dead weight tester.
Since November 1, 2008, the implementation of the AQSIQ promulgated the National Metrology Verification regulation JJG59-2008 "dead weight tester verification regulation", we have applied for the "digital dead weight tester", "electric-type ultra-high pressure dead weight tester", " Electric dead weight tester’’, more than 10 s related national patents.
Lani
Lani