On August 3, 2017, a French customer came to visit the factory of BLKMA Company. He fully recognized and satisfied to our equipment and directly ordered the needed machines after visiting.
February 15, 20221. What principles should be followed when using the spiral duct machine?One is the principle of average force, so that under the condition of average force, the balance of wear can be effectively gua...view
October 12, 2020The round duct making machine is composed of four types, namely electric rolling machine, round duct lock forming Machine, round duct lock seam machine and round duct grooving machine. All these machi...view
March 29, 2023The reason for the hot sales of spiral duct machinesThe dual advantages of the spiral duct machine product are what we need to know. Many people have heard of the dual advantages of spiral duct machin...view
October 12, 2020There are many types of work in HVAC duct fabrication, requiring different tools and equipment. BLKMA is a professional manufacturer of air duct production equipment,who has appropriate equipment that...view
March 20, 2018Iranian customers came to BLKMA to look over our machinery and expressed satisfaction with Auto duct production line II produced by us.view
December 30, 2024Working Principle of Spiral Duct Forming MachineSpiral Duct Forming Machine works through four main steps: material feeding, seam locking, cutting, and duct output. Firstly, materials (galvanized or s...view