Shanghai Zhongji Machinery Manufacturing Co. Ltd (Zhongji” in
short) was established in 1992. Our company has 3 factories located
at the Qingpu and Jiading Industrial Zone in Shanghai which cover a
total area of 50,000 square meters of land, with more than 600
staffs and workers. As the leading and reliable manufacturer of
Sandwich Panel Production Lines, PU Foaming Machines and Roll
Forming Machines, we are mainly engaged in the research &
development of our products, machine manufacturing, plant
designing, and talent training.
We are the first drafter of the China National Standards for 3D
During the past 20 years, we passed and had been approved for the
CE certificate, ISO 9001:2000 Quality Management System
Certificate, and have more than 50 patents.
The double belt continuous sandwich panel line can produce PU
fire-proof board, door board, PU + Mineral wool sandwich panels,
and high standard rock wool sandwich panels. PU high pressure
foaming machines have different adjustment range.
The Mineral Wool Sandwich Panel Production Line produced by Zhongji
has achieved the strip cutting of 250mm thickness of high-density
mineral wool panel, automatic conveying, flip angle of 90 degrees
as well as the saw cutting , automatic stacking and wrapping of the
sandwich panel after production, and can produce different models
of wall panels, roof panels, door panels and cold storage panels,