Plastic injection molding services have been our specialty here in Sterling Heights for more than three decades. Metro Detroit mold makers have relied on us for generations, and it’s easy to see why.
If you’re just getting to know Plastic Molding Development (PMD), here are answers to some of the most common questions we receive about our machinery, capabilities, and plastic injection molding services.
1. Which Injection Molding Machines Do You Have On Site?
We operate a wide range of high-tonnage injection molding machines in our Sterling Heights, Michigan facility. Our lineup includes six Van Dorn presses and four Wittmann Battenfeld machines, several of which feature advanced automation and robotics.
Van Dorn Injection Molding Machines:
Wittmann Battenfeld Injection Molding Machines:
- 1,700-ton with 5-axis Cartesian robot
- 770XL with 5-axis Cartesian robot
- 450XL with 4-axis Cartesian robot
- 350-ton with SmartPower hydraulic clamp
We also have multiple cranes, dependable forklifts, and a clean, spacious facility designed for mold testing, sampling, and short-run production.
2. How Long Does It Take to Get Block Time?
Block time varies depending on:
- The tonnage press you need
- The size of your tooling
- Current scheduling demands
- The complexity of your project
However, our customer service is recognized as one of the best in the industry. We respond quickly to block-time requests and make every effort to get you in as soon as possible.
3. What Services Do You Offer?
We specialize in a full range of plastic injection molding services, including:
- Mold testing and mold tryouts
- Short-run and low-volume injection molding
- Sampling and validation for steel and aluminum molds
- Material verification and processing support
Our facility is designed to help tool shops, OEMs, and manufacturers ensure their molds are production-ready.
4. How Many Employees Are Available to Assist Us?
We have approximately 25 employees, including:
- Skilled process technicians
- Die setters
- Material handlers
- Support staff
Our entire team is focused on helping you run efficient mold tests and get accurate, repeatable results.
5. Which Industries Do You Serve?
Roughly 90% of our work is in the automotive industry, supporting OEMs, Tier 1 suppliers, and tool shops.
However, we also provide plastic mold testing and short-run injection molding for a wide range of industries, including but not limited to:
- Household goods
- Industrial and consumer products
- Recreation and sporting goods
- Specialty and prototype parts
If your project involves plastic injection molding, chances are we can help.
6. How Often is Your Equipment Tested?
We take a proactive and rigorous approach to equipment maintenance. Our cranes, including chains, load hooks, and electrical/mechanical components, are inspected by Mt. Clemens Crane to ensure proper functioning and operator safety.
In addition, we maintain a clean, well-organized shop floor and lounge area. Our machines and facility are inspected, cleaned, and monitored daily to support safe, efficient operations.
7. What Are Your Hours and Location?
Plastic Molding Development
42400 Yearego Drive
Sterling Heights, Michigan
We serve clients across Michigan, the Midwest, and around the world.
Hours:
Monday–Friday
7:00 a.m. – 5:00 p.m.
Saturdays and Sundays by appointment only.
8. Why Should My Company Choose PMD for Plastic Injection Molding Services?
PMD has been a trusted leader in plastic injection molding services in Michigan for more than 35 years. Companies continue to choose us because of our:
- Exceptionally clean and organized facility
- Advanced injection molding machinery
- High-tonnage press availability
- Experienced technical team
- Fast scheduling and responsive customer service
- Strong reputation across the automotive and plastics industries
Whether you need mold testing, tryouts, or short-run production, PMD offers the expertise and equipment to support your success.
Want to Learn More About PMD?
We’re here to help with all your mold testing, sampling, and plastic injection molding needs.
📞 Call PMD at (586)-739-4500
📩 Or contact us below to schedule your press time.




