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HRA HRB HRC hardness gauge , 0.5HR Resolution Rockwell Hardness Test Machine ASTM E18
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Dongguan Zhongzhi Testing Instruments Co., Ltd
Environmental Test Chamber,Corrosion Test Chamber,Temperature Humidity Chamber
Address: Room 516, 5/F, Hongji Building, Hongfu Road,
Dongguan, Guangdong
China, 511700
Tel: 86-0769-89369332
Fax: 86-0769-88808158
