China WDMA America Standard 90 Degree Corner Bi-folding Patio Doors For Mountain House / Condo light grey about 50 workshop workers and

about 50 workshop workers and 30 office workers

ensures perfect cutting

tempered single or double glass

good product quality

China WDMA America Standard 90 Degree Corner Bi-folding Patio Doors For Mountain House / Condo light grey about 50 workshop workers andWarranty:: 5 Years After sale Service:: Online Technical Support Project Solution Capability:: graphic design Factory Addr:: Shandong, China Brand Name:: WDMA Product Type:: Aluminum Folding Doors Open Style:: Folding Position:: Exterior Surface Finishing:: Finished Type:: Accordion Doors Door Material:: Aluminum Alloy Uw Range:: 3. 4 6. 6 SHGC Range:: 0. 21 0. 66 Airtight Range:: 6. 6 Maximum Water Rating:: up to 450Pa Maximum Acoustic Rating:: Rw31