About PT JSY

Engineering excellence since 1967

PT Jaya Sukses Yasa is the engineering evolution of PT King Manufacture, founded in Surakarta in 1967. For over five decades we have served Indonesia's most demanding industrial clients.

Why engineers choose JSY

Three compelling reasons our clients return, project after project.

Fully Integrated Production

Three specialist divisions under one roof — design, machining, tooling, and automation — eliminate supply chain fragmentation and reduce lead times.

Precision at Any Scale

From a single reverse-engineered prototype to sustained mass production — tolerances down to ±0.01 mm maintained consistently across every batch.

True Engineering Partner

Our engineers provide DFM review, value engineering recommendations, and co-development — not just manufacturing execution.

Contact Us

Send us your engineering requirements, drawings, or samples. Our team will respond with a full technical evaluation.

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General Email

ptjayasuksesyasa@gmail.com

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General Phone

+62 271 7654632

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Head Office

Jl. Pakel, Ruko Mulyo Mandiri No.9
Banyuanyar, Banjarsari,
Surakarta, Jawa Tengah 57137

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Workshop

Jl. Adi Sumarmo No.253,
Banyuanyar, Banjarsari,
Surakarta, Jawa Tengah 57137

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Branch & Marketing (Bandung)

Jl. Luna No. 5 Rt 02 Rw 04
Kel. Jamika, Kec. Bojongloa Kaler,
Kota Bandung 40231

CP: 0852-9420-0838
Email: witosiren@gmail.com