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In 1970-1979

In 1970:Successfully produced new type of LJ mechanical tensile testing machine.
In 1979:Successfully produced 2500 kilograms high temperature tensile testing machine. In the same year, the first domestic
               electronic universal testing machine WD -10 was produced successfully, and it was started to put into mass production.

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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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