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This is a multi-functional portable ladder which is safe , adjustable. Its features make it very suitable for home usage . It plays an important role in some uneven places. It is an ordinary stools when it is folded. It is also a tall stepladder as long as its stool legs stretched.
south china agricultural university
Guangzhou City, Guangdong Province, China
south china agricultural university
Guangzhou City, Guangdong Province, China
