BLKMA brand is a professional company for auto duct production line、Rectangular duct making machine、spiral duct forming machine、round duct making machine.
Manufacturers：BLKMA Company -Anhui BLACKMA Heavy Industrial Machinery CO.,Ltd
Email：info@blkma.com
Web:：www.blkma.com
TEL: 0086 15655568800(whatsapp)
BLKMA®--HVAC duct processing machines supplier providing overall solutions
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