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ABOUT · SHIJIAZHUANG, HEBEI

Fourteen years bending steel into racks.

One factory, one address, one production line of cabinets and containment — since 2011.

2011 2026
  • 2011 Year the factory opened
  • 14years Sheet-metal fabrication, uninterrupted
  • 8,000m² Total facility — 2,000 m² office + 6,000 m² production workshop
  • 20mu Land on the site (approx. 13,300 m²)
Site diagram: a 6,000 square metre production workshop beside a 2,000 square metre office block, on a 20 mu site PRODUCTION WORKSHOP 6,000 m² OFFICE 2,000 m² 20 mu site · approx. 13,300 m²
Illustrative site diagram — not a survey.

A plant, not an office with a warehouse attached.

The site holds 8,000 m² total facility (6,000 m² production workshop) on 20 mu of land: 2,000 m² of offices and 6,000 m² of production workshop.

Cutting, forming, welding, coating and assembly all happen inside that 6,000 m².

Site · 20 mu (approx. 13,300 m²), Shijiazhuang, Hebei

Footprint · 8,000 m² total facility (6,000 m² production workshop)

Office · 2,000 m²  |  Production workshop · 6,000 m²

The dates you can check.

  1. 2011

    ems-rack is established and starts cabinet and machine-room fabrication.

  2. 2024

    Recognised as a national high-tech enterprise.

  3. Today

    13 product lines, 100+ specifications, one factory in Shijiazhuang.

Day-to-day engineering is handled by an engineering team with 20+ years in precision sheet-metal fabrication.

Wide view down the production workshop: the machine row receding toward the far wall, the nearest press brake with a formed panel on its bed, stacked steel sheet beside it

Inside the 6,000 m² workshop

Coil steel is inspected on arrival, then punched, formed and welded on the same floor before it goes to the coating line.

Dimensional accuracy on formed parts is ±0.5 mm, measured against the approved drawing.

Incoming steel · 100% inspection (Baosteel / Ansteel SPCC)

Forming · CNC punch and CNC press brake, ±0.5 mm

Production workshop, Shijiazhuang — CNC press brake forming cabinet panels.

Thirteen lines, and where each one comes from.

Product lines by model prefix
Model prefixProduct lineOrigin
ZLT-SCServer racks, 42U–47UOwn production — ems-rack
ZLT-NCNetwork cabinets, 6U–42UOwn production — ems-rack
ZLT-LCLiquid-cooling cabinets — cold-plate, immersion optional; CDU N+1, leak detection, PUE ≤ 1.1Own production — ems-rack
ZLT-MMSingle-row intelligent cabinet (micro-modular), 27UOwn production — ems-rack
ZLT-CAEnclosed cold aisle containment systemsOwn production — ems-rack
ZLT-PDPower distribution cabinets — column header, distributionOwn production — ems-rack
ZLT-PDUIntelligent PDU — basic, metered, managedOwn production — ems-rack
ZLT-DCIMEnvironmental monitoring — temperature, humidity, water leak, smoke, accessOwn production — ems-rack
ZLT-LTLighting cabinets, intelligent lighting controlOwn production — ems-rack
—Precision air conditioningDistributed brand — Envicool. Not made by ems-rack.
—Modular UPSDistributed brand — Bainard. Not made by ems-rack.
—Structured cabling, Cat 6 / fibreDistributed brand — Yizhou. Not made by ems-rack.
—Battery banksDistributed (brand varies by project)

An ice-blue tick marks the nine lines built in the Shijiazhuang plant. The four lines below the rule are distributed brands, not ours — see partner brands.

13 product lines · 100+ specifications · 9 produced in the Shijiazhuang plant

Two of the documents behind this page

Trademark registration certificate scan for the THELEADER mark
Trademark registration — 泽雷特 / THELEADER. The brand is registered, not borrowed.
National high-tech enterprise certificate scan
National high-tech enterprise certificate.

Full document set on the quality page.

Come and look at the 6,000 m² yourself.

Tell us which week suits you and we will confirm a date, or tell you plainly that the line is busy. Requests are either accepted or explicitly refused.

Request a factory visit