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INTRO

Company

Manufacturer of fire-protection piping fittings and pre-fabricated fire piping

Public life and safety above every other value
Through technology and quality that stand alone
Global No.1 fire-protection piping solutions.

About usManufacturer of fire-protection piping fittings and pre-fabricated fire piping
Core valueRelentless research and development, quality before anything else
Our promiseProven patented technology and KFI-approved products

GREETING

A company that holds public life and safety
as its highest value

Global No.1 Fire Sprinkler Pipe Fabrication Manufacture

PLS Co., Ltd. has set out, on a footing of honesty and trust, to grow into a specialist manufacturer of the fire-protection piping that the construction and fire-safety industries depend on.

We began with public safety as our first concern, and we are growing into the largest fabricator of fire-protection piping in the Republic of Korea. Through steady research and development and a quality-first principle, we keep working to raise the quality of life of the people we serve.

Every one of us at PLS will go on to take a leading part in the fire-safety industry and in its move onto the world stage, with the drive and the spirit to remain a company our customers can always trust.

The management and staff of PLS Co., Ltd.

Fire-protection piping installed in an underground car park and along a ceiling

COMPANY

Company overview

Inside the production line
PLS Co., Ltd. plant — Sabong-myeon, Jinju-si, Gyeongsangnam-do, Republic of Korea
Outside the plant
Company namePipe Let System Co., Ltd.
Korean name주식회사 피엘에스
FoundedOctober 29, 2020
Business registration No.704-88-01943
IndustryManufacture of forged metal products (and one other)
ProductsFire-protection piping fittings
Business areaPipe connections for fire-protection systems
(welded branch outlets and head connections on straight pipe runs)
Location39, Sanupdanji-ro 43beon-gil, Sabong-myeon, Jinju-si, Gyeongsangnam-do, Republic of Korea
Factory registeredNovember 29, 2021
Factory site area4,676.3 ㎡ (approx. 50,330 sq ft)
Manufacturing floor area1,485.0 ㎡
Ancillary facilities area454.6 ㎡
Phone+82-55-752-8884
Fax+82-303-3130-7713
E-mailpls1943@naver.com
Websitepipeletsystem.com

※ The factory registration date and the areas are taken from the factory registration certificate (issued 4 December 2025). The business registration number, English name and business area follow the company overview on the previous website.

HISTORY

Company history

Shown newest first. Select a year to open the detail.

2026Patent registered — flexible connector for fire-protection piping1 entry
2026. 07Patent registration 10-2026-0052081 (flexible connector for fire-protection piping)Patent1
2024KFI approval for two stainless steel (SUS) BT items · R&D department recognised2 entries
2024. SUS BT-RNW · SUS BT-PT — KFI approval granted (Nos. 이음24-11 · 이음24-12)Approval2 items
2024. 02Recognised as a dedicated research and development departmentRecognition
2023Quality management system certified1 entry
2023. 01Quality management system certified — ISO 9001:2015Certification
2022KFI approval for 8 items · 1 patent · LH New Technology · SOC Technology Market5 entries
2022. 12Patent registration No. 10-2482586 (guide clamp for pipe hole cutting)Patent1
2022. 11Pipe device — registered with the SOC Technology MarketRegistration
2022. 11Pipe device — LH New Technology (product) recognition grantedRecognition
2022. 08Head fittings 15A · 20A (NPT upright branch outlet) — KFI approval grantedApproval2 items
2022. 08Branch outlet fittings — KFI approval granted (SPPF · SPPT · P.T · head fitting · groove · B.W)Approval6 items
2021KFI approval for 12 items · 4 patents — product range completed4 entries
2021. 11Patent registration No. 10-2328611 (pipe device)Patent1
2021. 03Patent registrations No. 10-1854531 (branch device) · No. 10-2232490 (pipe device) · No. 10-2178457 (connecting device)Patent3
2021. 03Head fittings 15A · 20A — KFI approval granted (one-piece reducing nipple, welded / threaded / upright branch outlet) · SW branch outlet — KFI approval grantedApproval7 items
2021. 02P.T branch · B.W branch · groove branch · SPPT (pendent) branch · SPPF (pendent) — KFI approval grantedApproval5 items
2020PLS Co., Ltd. founded1 entry
2020. 10. 29PLS Co., Ltd. foundedFounding

※ Based on the Brief History in the company catalogue (November 2024 edition), with the July 2026 patent registration added. Entries from the same month and of the same kind are shown on one line.

FACILITIES

Production equipment

Machining, cutting, forming and welding are all carried out in our own plant. 33 machine types, 43 units in total.

MachiningTurning the material to size. Eight CNC lathes form the core of this stage.15 units
EquipmentModelSpecificationMakerQty
CNC lathe 1E200MC11 kW · chuck 200 mm · 2020×1655×1820(H)WIA1
CNC lathe 2E200MC11 kW · chuck 200 mm · 2020×1655×1820(H)WIA1
CNC lathe 3KIT45011 kW(7.5HP) · chuck 8" · 2020×1650×1620(H)WIA1
CNC latheSKT 20011 kW · chuck 200 mm · 2020×1655×1820(H)WIA1
CNC latheSKT 20011 kW · chuck 200 mm · 2020×1655×1820(H)WIA1
CNC lathe 6E200C17 KVA · chuck 8" · 2040×1435×1830(H)WIA1
CNC lathe 7E200C17 KVA · chuck 8" · 2040×1435×1830(H)WIA1
CNC lathe 8KIT30B20 KVA · chuck 6" · 2040×1435×1830(H)WIA1
Manual latheGeneral-purpose latheBed swing 630 · cross-slide swing 380 · centre distance 2,000Hwacheon1
Milling machineHMTHSpindle speeds RPM L 75~500 / H 550~3,600Hwacheon1
Drilling machineHTD-400Drill 23 mm · steel 14 mm / cast iron 16 mm · 3-phase 1/2HP×6PHinam1
Bench drillHN-0250.75 kWHuinam Precision4
CuttingCutting pipe and bar stock to length. Handles 25A–200A.9 units
EquipmentModelSpecificationMakerQty
Circular sawTK5C-72GLP2.25 kW(3HP) · 600×800×1880(H)TSUNE1
Cut-off machine (band saw)25A~150A · 1.1/0.75 kW · 380V 60HzTerratech1
Portable band sawFEMIJNG160AC 220V 60Hz · 15A~200AFEMI1
Band saw25A~150AiMachine Korea1
High-speed cut-off saw15A~80A · 3HP / 380VGPC1
Pipe threading machine0.75 kWMACO2
Pipe threading machine0.75 kWROX2
Forming · PressReducing and expanding pipe and forming the outlet seat. Up to 150 tons.4 units
EquipmentModelSpecificationMakerQty
Horizontal press5HP / 380V · 150 tonPile Machinery1
Press (pipe reducing · pad)CP-3010HP / 4P / 380V · 30 tonEnhai Korea1
Press (pipe reducing · pad)CP-3010HP / 4P / 380V · 30 tonEnhai Korea1
Press (pad)HP-9010HP / 4P / 380V · 90 tonEnhai Korea1
WeldingJoining the outlet to the pipe. Seven welding sets can run at the same time.7 units
EquipmentModelSpecificationMakerQty
Arc welderDaedae welder380V · 20 KVA · 12 kWPerfect Daedae6
Portable arc welderKNS-160ST220V · 3.9 KVAKeyang Electric1
Surface · MarkingFinishing the surface and stamping the product information. The KFI mark is applied here.3 units
EquipmentModelSpecificationMakerQty
Shot blasting machine500 kg · 2600×3500×3600(H)Myeongjin Industrial1
Marking machine (horizontal)AC 220V · 60HzPisa Marking1
Marking machine (vertical)AC 220V · 60HzPisa Marking1
Utilities · HandlingSupplying compressed air to every stage and moving material around the plant.5 units
EquipmentModelSpecificationMakerQty
Air compressorGA37VSD+MAWP 13 bar / 189 psi · 655 kgATLAS COPCO1
Air compressorDaewoo7.5 kW · 3-phase 380VHyosung1
Air compressorHyundai2.25 kW · single-phase 220VShinyoung1
Air compressorHyundai2.25 kW · single-phase 220VShinyoung1
ForkliftD45S4.5 TONDoosan1

※ Taken from the "Production Equipment List" (p. 37) of the company catalogue. Model, specification and maker are reproduced as printed.

LOCATION

How to find us

39, Sanupdanji-ro 43beon-gil, Sabong-myeon, Jinju-si, Gyeongsangnam-do, Republic of Korea

Address39, Sanupdanji-ro 43beon-gil, Sabong-myeon, Jinju-si, Gyeongsangnam-do, Republic of Korea
Fax+82-303-3130-7713
Business hoursMon–Fri 08:30–17:30 (KST, UTC+9)