Behind every precision plastic mold lies the same logic and creativity found in LEGO bricks.

From design to machining to assembly, every detail must fit perfectly—just like the interlocking pieces of a masterpiece.

At Joumon, plastic molds are more than just manufacturing tools—they are a form of creative engineering.

With precision, craftsmanship, and imagination, we transform solid steel into the “building blocks” of innovation.

Every mold core and slider is a modular element that brings imagination into reality.

Just as LEGO allows endless creations, our plastic mold technology builds limitless possibilities.

From automotive components to home appliance housings, from product appearance to internal structures,

Joumon has accumulated 40 years of industry experience, crafting medium and large plastic molds that combine creativity with precision—piece by piece.

In the world of plastic molds, there’s no finish line—only endless new possibilities waiting to be built.

Joumon specializes in the design and manufacturing of medium and large precision plastic molds, serving industries including automotive, electronics, medical, and home appliances.

If you are looking for a reliable mold partner, Joumon is here to bring your ideas to life.