BLACK CRYSTAL CRAFT TECHNOLOGY CO., LTD
Huizhou City, CN
BLACK CRYSTAL CRAFT TECHNOLOGY CO., LTD Patent applications | ||
Patent application number | Title | Published |
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20140265003 | MANUFACTURING METHOD FOR STONE SPEAKER - A manufacturing method for a stone speaker is disclosed. The stone speaker is placed in a garden and blended with the environment. Raw stones of various sizes and colors are crashed and provided as a kind of material for the stone speaker. The manual painting spray step is neglected. The stone speakers has an appearance like real natural stone and no disadvantages of the stone speakers made by the manual painting spray step. | 09-18-2014 |