Square Raised Garden Bed Green quotation HuiZhou Green Giant Technology LLC. Huizhou Green Giant Co., Ltd. is a large professional manufacturer that develops and produces all kinds of hardware. The company has been engaged in processing metal raised garden bed materials for nearly 20 years, specializing in building combination raised garden beds and garden boxes from Aluzinc steel, and has become one of the world's leading manufacturers, specializing in the construction of combination raised garden beds and garden boxes. http://www.gardenbedsmfg.com/