PLASTIC INJECTION MOLDING MANUFACTURER
Equipped with ISO Class 8 Cleanroom Facility for Medical & Pharmacy Products
- Provide Various Plastic Resins Material
- Mold Making
- Flexible MoQ
- Strict Quality Control
PLASTIC INJECTION MOLDING SPECIALIST
We personalize the approach for each project and client, using specialized processes to achieve outstanding outcomes. Our services are available for clients of all sizes, from multinationals to start-ups. We guarantee customer satisfaction and provide affordable high-quality outputs, including mass-production, tooling, and low-volume manufacturing.











Welcome to Maindo Interbumi
Maindo Interbumi
PT Maindo Interbumi was founded in 1992 as a family-run plastic manufacturing business. Over three decades, we have grown from a traditional production house into a professionally managed facility — built on systems, not individuals. Today, we operate 10 injection machines alongside an active ISO Class 8 Cleanroom, serving four key industries: medical devices & healthcare, laboratory consumables, cosmetic packaging, and consumer goods packaging. Our transformation is ongoing — from 5R workplace discipline and Creative Kaizen to a Total Quality Control system where every operator owns quality at every stage. We are currently preparing for CPAKB & ISO 9001:2015 certification, reflecting our commitment to systematic, verifiable quality management.

Our Services
We develop Custom plastic injection molding. Made suitable for your needs.
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Maindo Interbumi
About Service
PLASTIC INJECTION MOLDING SPECIALIST
Custom Precision High Quality
MIB offers expert guidance on plastic injection molding options that fit your project needs and budget.
We personalize the approach for each project and client, using specialized processes to achieve outstanding outcomes. Our services are available for clients of all sizes, from multinationals to start-ups. We guarantee customer satisfaction and provide affordable high-quality outputs, including mass-production, tooling, and low-volume manufacturing.
Take advantage of our plastic injection molding services and collaborate with us on your product development journey.
What we do
Custom plastic
PT. MIB is partnering with well-known mold maker that is proficient in manufacturing rapid toolings and prodution toolings for small batch and mass production runs.
EVA based Air Freshener
Mold Making
Free Consultation And Quotation
Industries
Industries We Serve
We also work with other industries. If your product requires precision plastic injection molding, we’re open to discuss.
Medical
Consumer Goods Packaging
Why Choose Us
What Makes Us Different?
ISO Class 8 Cleanroom — Active & Operational
A controlled cleanroom environment for medical, laboratory, and cosmetic production — maintaining particle cleanliness down to 0.3 microns. A facility most mid-scale competitors don't have.
Output Quality on Par with Large Manufacturers
End-to-end quality control — every operator owns quality at every production stage, not just at final inspection. Consistent output across every batch.
Direct Access, Fast Response
No lengthy approval chains. Direct access to our production team from day one — your specifications are handled by people who make the decisions, not middlemen.
Flexible at Any Scale
From small development batches to full-scale mass production — same quality standard, same direct service, competitive pricing at every volume.
We customize your products of all sizes.
We take pride in our work and are committed to making each of our customers happy.
PT. Maindo Interbumi's Cleanroom Production Facility for Medical & Pharmacy Products
Our production facility is equipped with an ISO Class 8 cleanroom, designed to maintain cleanliness from particles as small as 0.3 microns. Additionally, the temperature, humidity, and air exchange rates reach up to 30 times per hour, meeting the ISO Class 8 standard. This reflects our full commitment to supporting our customers in manufacturing high-quality medical and pharmaceutical devices, ensuring maximum cleanliness and sterility at every stage of production.

Let's bring your project to life.
Every project we handle is backed by 30+ years of production experience — and a team that responds directly, without bureaucracy.
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How to Work with Us?

How to Work with Us?
The plastic injection molding process may seem simple
The plastic injection molding process may seem simple, but there are many parameters that need to be tightly controlled to ensure the quality and consistency of the plastic components produced.
Contact us today and get a free estimate.
Submit a Request
Consultation
Mold Making
Production
Testimoni
What Our Clients Say
Let's Build Relationship
Start the conversation to established good relationship and business
Contact us
For more information on our services and a free quotation, feel free to contact us.
