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EN YO YO Tester GT-MB19
EN YO YO Tester is used for measuring the YO-YO balls initial length and elastic constant K, to determine whether the YOYO ball of the elastic ropes have the hazard of neck injury.Read More
Phone :
+ 86 018059983973Fax :
+86-595-22515221Email :
sales3@gester-instruments.comAdd :
7/F, No.15, Chifeng Road, Licheng Region, Quanzhou city of Fujian PR,China.1
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