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In 1980-1989

In 1982:
Guangzhou material testing machine factory was renamed Guangzhou testing instrument factory,the production
               started to use"golden shield"as a brand;In the same year,HR-150A Rockwell Hardness Tester was rated as the
               best quality product of Guangdong Province.
In 1986:Passed the grading acceptance inspection through metrology accreditation,and was identified as second class
               measuring qualified unit.
In 1988:Successfully produce WD-500kN electronic universal testing machine.

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Our products have been exported to
many countries around the world.
Grandtry always develop new products
in accordance with different market
demands in time.
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