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Company Contact

JL. P.Jayakarta 141 blok 5D no 34
Kota Administrasi Jakarta Pusat

Phone Number:
+62 21 6260488
+62 21 6007653

Fax Number:
+62 21 6395081
+62 21 6248626



Company Profile

N.P.W.P 01.742.824.4-046.000
Address JL. P.Jayakarta 141 blok 5D no 34
Region Mangga Dua Selatan
District Sawah Besar
City Kota Administrasi Jakarta Pusat
Province Jakarta
Country Indonesia
Zip Code 10730
Phone Number
+62 21 6260488 +62 21 6007653
No Fax
+62 21 6395081 +62 21 6248626
Email sales@karyawaja.com
Website www.karyawaja.com

About Company

" Quality products and services at competitive price"

Our history can be traced back at 1988 when our founder started Lancar Jaya Mulia (LJM) as a steel supplier to shipbuilding and repair. In 1998, Karyawaja has taken over the steel business while LJM continue its excellency in steel contractor and fabricator.

KEM has progressed to become a distributor of Krakatau Steel and Gunung Raja Paksi for various types of hot rolled coil and plates. For seamless pipes, KEM acts as a distributor of Pangang Group Chengdu Seamless Pipes, one of the most reputable mill in China. Seamless from other reputable chinese mills are also available.

" Your premier steel provider"  

Karyawaja Ekamulia (KEM) is a trusted steel provider, delivering quality steel to customers throughout the country. For more than 20 years, we have ensured exceptional service and responsiveness from the initial bid to product delivery. 

Our Philosophy

We focused on taking steel beyond a commodity. While price is critical to every customer, we use our expertise and our exclusive commitment to our customers as an opportunity to add value above simply a price point. We are exclusively customer-oriented, dedicated to providing you what you want, when you want it, and at responsible prices. When issues arise, we’re all over it. Customers consistently tell us that we do whatever it takes to make it right.

In an age of corporate consolidation, our structure is “just right.” Though we have extensive resources to handle the job, our small, nimble structure means that we’re flexible: we can react quickly to your needs with personal attention to every request.



  • Steel plates
  • Shipbuilding plates
  • High grade plates
  • Seamless pipes
  • Steel sheet piles
  • Steel sections
  • Steel services



Trading Permit License (SIUP):


Surat Pengukuhan Pengusaha Kena Pajak (PKP):



Bank Ekonomi : 200-186-5636

(cab. Kuningan Jakarta Selatan)

Bank BCA         : 083-300-5097 

(cab. Jembatan Merah)

Bank Mandiri    : 115-000-4158905 (cab. Pangeran Jayakarta)



Tags : heavy hex nut • castellated - added plate • rectangular pipe - e r w • container crane ropes qs 816 v g (hoist rope) • round pipe • medium crown staples • spring wire grade 4 • spring wire grade 3 • ship crane ropes tk 16 evolution (hoist rope) • stud bolt - tap end stud • tower crane rope q 812 f (pendant and stay rope) • ship crane ropes tk 12 g (hoist rope) • stud bolt - tap end stud • beam punching machineries • open head carbon steel drum • flat head countershank • ship crane ropes tk 16 evolution (hoist rope) • tower crane rope q 812 f (pendant and stay rope) • channel - hot rolled - paralel flange • proof coil chain • steel ceiling • roofing • wheel alloy • hex bolt - part thread • diamond roof r-30 • spring wire grade 1 • roofing • galvanized iron wire • wire rod • wire rod • u-channel ( unp ) • u-channel ( unp ) • equal angle ( besi siku ) • equal angle ( besi siku ) • cable leader • alfa tower series • round pipe • floor deck • plate strip • plate strip • plate strip • coil/sheet • t section - welded • wf 400 • taac (thermal resistance aluminium alloy conductors) • steel angle (besi siku stainless) • angle milling cutters • circular form work element • non rotating ropes 35x7 (6/1) (galvanized) •