Heavy duty Aluminum silent install door closer,industrial door closers,door closer adjustment

Gaoyao Jinli Xi Da Hardware Products Factory is specializing in manufacturing hardware fittings , building meterial and glass walls. We have brands of "Sincego" & "Slick". Our company was founded in 2000, and covers an area of 8,000 square meters with building area of 5,000 square meters. Our company was IS09001 certified. Our company has gained the membership of "China Decorative Association" and "Decorative Metal Structure Association of China", and is a qualified enterp...