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About Us
Black Gold Industry STboard (brand definition SmartTeaching) is a leading supplier of technology and resources in the field of education, providing excellent smart education solutions to the global education sector, including support for teachers and students from preschool education to higher education worldwide, including examination committees, central governments, and other professional institutions.
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Educational case
Provide excellent smart education solutions to the global education sector, including support for teachers and students from preschool education to higher education worldwide.
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Product Display

The company has currently developed multiple products and widely applied them in the market, and can customize development according to needs, providing users with one-stop intelligent manufacturing services.

115 inch EDLA flagship RK3588
115 inch EDLA flagship RK3588
110 inch EDLA mainstream model RK3576
110 inch EDLA mainstream model RK3576
98 inch EDLA mainstream A311D2
98 inch EDLA mainstream A311D2
75 inch interactive touch all-in-one machine V100
75 inch interactive touch all-in-one machine V100
News and Information
Black Gold Industry - Review of Exhibitions in the First Half of 2025
Company news Black Gold Industry - Review of Exhibitions in the First Half of 2025 2025-07-17 Read Details >>
Review and Prospect of ISE 2025 Exhibition of Shenzhen Heijin Industrial Manufacturing Co., Ltd
Company news Review and Prospect of ISE 2025 Exhibition of Shenzhen Heijin Industrial Manufacturing Co., Ltd 2025-04-08 Read Details >>
Good News | Congratulations to Heijin Industry for entering the Software Encouraged Enterprise Evaluation and Software Product Evaluation List
Company news Good News | Congratulations to Heijin Industry for entering the Software Encouraged Enterprise Evaluation and Software Product Evaluation List 2022-06-30 Read Details >>
good news! Black Gold Industry has entered the 2021 Shenzhen "Specialized, Specialized and New" Small and Medium-Sized Enterprises Public List
Company news good news! Black Gold Industry has entered the 2021 Shenzhen "Specialized, Specialized and New" Small and Medium-Sized Enterprises Public List 2022-06-16 Read Details >>
The licensing ceremony and annual summary meeting of Shenzhen Heijin Industrial Joint Laboratory was held in Shenzhen
Company news The licensing ceremony and annual summary meeting of Shenzhen Heijin Industrial Joint Laboratory was held in Shenzhen 2021-01-28 Read Details >>
Black gold industry encounters with you in the second Ningxia Internet plus education equipment fair.
Company news Black gold industry encounters with you in the second Ningxia Internet plus education equipment fair. 2020-11-25 Read Details >>