Duct Auto Line

Ma'anshan SPR Machine Co., Ltd. is a group international machine company with good fame, located in the center of China's machine tool industry, MaanShan

we have more than 30 years manufacturing history with 540 technicians and 60000 sqm factory building sizes.

Now we have 3 factories, just nearby each others in the same city .

Our company specializes in sheet metal machine by SPRpress brand like :

CNC Fiber laser cutting machine, presses machines, shearing machine, CNC bending machine, v cutting machines,

all kinds of hydraulic machine, ironworker, rolling machine and other metal forming forging equipment .

Also we produce the air duct machines by sipairui Brand , like air duct line II, III, IV, V , U Shape, electric shear ,

folding machine, TDF bender , duct zipper, spiral former, cnc plasma cutter, elbow maker, TDF Flange machine,

grooving machine, slip roller machine development and sales, our product positioning in the middle-top quality class. We commit a modern enterprise management methods, committed management and meticulous

management and zero defect operation. Based on the quality of the product management, its excellent quality,

innovative design, reasonable price, and improve after-sales service to win the majority of Chinese and foreign customers praise.

China Sipairui machine is widely sold and used in more than 130 nations over 200 varieties of sizes sheet metal

processing and HVAC Duct equipment. Widely used in automobile manufacturing, communications, computers and so on.

sipairui insist on leading technology strategy, positioning in the "do-class machine, a first-class brand,"

China sipairui specializes in the export business, the company already has ISO and CE certification, the products are

widely exported to Southeast Asia, EU, South America, the Middle East and other markets, with good quality, suitable price,

comprehensive aftersales service, was widely welcomed by customers and unanimously approved.

Our company ambition is "build quality brand, do excellent machine",it is also the company's

entrepreneurial spirit and look forward to domestic and overseas friends to visit.

BLKMA-Duct Machines Manufacturer -SINCE 1994

BLKMA brand is a professional company for auto duct production line, Rectangular duct making machine, spiral duct forming machine, round duct making machine.

BLKMA specializes in the development and production of duct machines. The company has won the trust of global use with its strong R&D and manufacturing capabilities.

Manufacturers:BLKMA Company -Anhui BLACKMA Heavy Industrial Machinery CO.,Ltd