Add : No.166-8 Longxi Middle Road, Liwan District, Guangzhou City, Guangdong Province, China
For testing and gauging the scale of spring hammer calibration devices in accordance with IEC60068-2-75/1997-08 Annex B, Figure B.5 and B.6
ZLT-GQ, To determine the mechanical strength and the impact strength by pendulum test resp, by drop test. Material: steel ball hardened.
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