business license 
Utility Model Patent Certificate Name: Product Furnace Exhaust Pressure Relief Protection Device 
Name of utility model patent certificate: A type of anti shaking device for product body furnace rod 
Name of utility model patent certificate: A crystal furnace temperature control device 
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Contacts：王总 13991923728
Add：In the New Industrial Park of Xi'an High tech Zone, Shaanxi Province
Tel：13991923728
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Add：In the New Industrial Park of Xi'an High tech Zone, Shaanxi Province
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