Shanghai Zhongji Machinery Co., Ltd

Zhongji Machinery (Shanghai Zhongji Machinery)

Shanghai Zhongji Machinery Co., Ltd

Shanghai Zhongji Machinery Co., Ltd was established in 1992. Chairman Mr. Hou Shuqi currently serves as vice president of the China Federation of Private Enterprises, a national-level industry body — a genuinely notable, checkable leadership credential. The company has been awarded National High-Tech Enterprise status, is recognised by China's Ministry of Commerce as a designated equipment export manufacturer, and states it led the development of the national standard for 3D steel wire mesh sandwich panels — a significant claim of technical authority in its field.

The company operates two factories in Shanghai (Qingpu and Jiading districts) covering 40,000m² combined, with more than 300 employees, including more than 80 holding intermediate or higher professional titles. Zhongji states more than 30 years of equipment manufacturing and export experience, exports to more than 100 countries and regions, and more than 1,000 customer installation and commissioning projects.

Zhongji holds 51 patents (including invention patents), and has passed EU CE standard certification and ISO 9001 quality management system certification. The company states its EPS machinery is built using European technology, with 40-50% energy savings and fast cycle times, and describes itself as the technology pioneer and largest professional manufacturer in China's EPS/EPP foam machinery industry. It also states cooperation with German and Italian enterprises for technology introduction.

Named customer case studies include Suzhou Yongsheng (Jiangxi factory), Shandong Rizhaodadi Group, and Shenzhen Yazhi Group.

What Zhongji Machinery Makes

Sandwich Panel Line

• Cleanroom Wall Panel Line
• Refrigerated Carriage Plate Production Line
• Roll Forming Machine
• PU Sandwich Panel Line
• PU/Rock Wool Sandwich Panel Line
• Rockwool/EPS Sandwich Panel Line
• Discontinuous PU Sandwich Panel Line
• Slitting Machine
• Polyurethane High/Low Pressure Foaming Machine
• Glue Spraying Machine

EPS/EPP Series — a genuinely distinct product family (expanded polystyrene block/shape moulding, not sandwich panels)

• EPS Pre-Expander
• EPS/EPP Shape Moulding Machine
• EPS Block Moulding Machine (stated Korean technology for the automatic vacuum version)
• EPS Cutting Machine
• EPS Recycling System
• Auxiliary Equipment and Moulds Series
• 3D Panel Line

Industries Served

• Insulated panel construction (roofing, wall cladding)
• Cleanroom/purification construction (pharmaceutical, electronics, food processing)
• Cold chain/refrigerated transport (carriage panels)
• EPS/EPP packaging and moulded foam product manufacturing

Why Buy From Zhongji Machinery

• Established 1992 — more than 30 years, with a named chairman holding a notable national industry leadership role
• Led development of the national standard for 3D steel wire mesh sandwich panels — a genuine technical authority claim
• CE and ISO 9001 certified, 51 patents
• Two factories, 40,000m² combined, 300+ employees
• Exports to 100+ countries, 1,000+ installation/commissioning projects
• European (German/Italian) technology cooperation stated
• Genuinely broad range: sandwich panels AND EPS/EPP foam moulding machinery — a combination not seen in your other panel line suppliers
• Named, checkable customer cases (Suzhou Yongsheng, Shandong Rizhaodadi, Shenzhen Yazhi)

Frequently Asked Questions

What does Zhongji Machinery make?
PU, rock wool, and EPS sandwich panel production lines (including cleanroom and refrigerated carriage panel specialisations), plus a separate EPS/EPP foam machinery range (pre-expanders, block and shape moulding machines, cutting machines, recycling systems) for expanded polystyrene product manufacturing.

Where is Zhongji Machinery based?
Shanghai, China, with two factories in Qingpu and Jiading districts.

How long has Zhongji Machinery been in business?
Established in 1992 — more than 30 years.

Is Zhongji Machinery's equipment certified?
Yes — EU CE standard certification and ISO 9001 quality management system certification, with 51 patents including invention patents.

Does Zhongji Machinery make cleanroom panel lines specifically?
Yes — a dedicated Cleanroom Wall Panel Line is part of its sandwich panel range, alongside a Refrigerated Carriage Plate Production Line for cold chain applications.

Does Zhongji Machinery also make EPS packaging/moulding machinery, separate from sandwich panels?
Yes — this is a genuinely distinct product family: EPS pre-expanders, block and shape moulding machines, and recycling systems for expanded polystyrene products (such as packaging), separate from its panel line business.

Has Zhongji Machinery contributed to industry standards?
The company states it led development of the national standard for 3D steel wire mesh sandwich panels in China.