A number of super-hard materials projects were selected for the 2019 Henan Advanced Manufacturing Development Special Fund Proposed Project 2024-02-25
Solar lamp lighting project has been added to the dead end of the street lamp lighting at the southern end of Huangshan Street 2024-02-25
Green and luxurious women's jewelry, secret garden for cultivating diamonds - Huajing's MULTICOLOUR brand promotion and new product launch conference ended successfully 2024-02-24
After Valentine's Day this year, the laboratory will cultivate diamonds that will become the hot diamonds of jewelers. 2024-02-24
In the future, we will use smart street lamp pole manufacturing as an entry point to vigorously promote smart urban lighting operations 2024-02-24