Custom Contract Molding

Packson is the OEM plastic mould suppliers. We can supply custom injection molding parts. Our high quality and precision injection molding processes assist us to make molded parts from big, small to medium-sized components with good quality. We are able to meet all plastic part requirements according to materials, sizes, shapes, tolerances, and so on. We offer various services to OEM customers with manual, semi-automated, or fully automated assembly lines.


There are more than 40 injection molding from 60 tons to 1000 tons at Packson., which helps us to handle a wide range of parts from a small run of prototype samples with 500 shots to a production run of high volume parts with over one million.


Our engineering department works closely with our customers for assuring that high-quality parts will get into the market in time. We work for all kinds of industries such as OEM, automotive,  agriculture, electronic appliance, and construction.


So contact Packson to get the best custom injection molding services of OEMs in plastic injection molding if you need them.


Custom Injection Molding Tool Design

Injection Mold plays a pivotal role in injection molding. Whatever it’s a simple part or a complicated part, the injection mould design is the most important part for high-quality and smoothly running injection molded parts.


The primary goal of injection mould design is for making high-quality molded parts and better running of mold during the molding process. Good tooling design provides belowing benefits:

-Save cost and time for tooling also molding

-Improve mold running during the molding process

-Make high-quality molded parts


Benefits & Capabilities of Custom Injection Mould Assembly Line

Equipped with the manual and semi-automatic assembly lines, we can help you finish secondary operations for your part like :

Ultrasonic Welding

Heat Staker

Vacumm Sealer


The secondary operation is good of shorting  supply chain, reducing cost and lead time:

Assembly line help shorten the supply chain and decrease lead time

One-site semi-automatic assembly line with robotics operation help to minimize labor cost

One shop operation for in-house assembly facilities makes sure quality control before part delivery.


Custom Injection Molding Part Design

A bad design for your injection molded parts will cause a bad situation like losing time and money, but the good injection molding part design will make high-quality parts and save more time for great efficiency. Part design details and engineering play significant roles in injection molding. It helps us to make an optimized production solution, reduce costs, and provide good quality parts.


The corner on the part may cause a sharp shape and it will damage the part easily. The smoother corner will help smoother molding and make a better part.


Types of Custom Injection Mould Methods at Your Service

For injection mold, it’s not only for injection plastic material. It has another way to show the material. It’s not the only way to make the parts.


The product is molded by 2 different plastic materials or 2 colors which is efficient and economical. The most obvious advantage for 2K molding is cost saving. There are 2 injection steps during injection molding. That’s why we call it 2K injection molding. It allows two materials with different properties, colors, or levels of hardness to be injected into the molding machine and make the molded product.

Liquid Silicone Rubber Molding

Insert Molding


Material Selection of Custom Injection Mould

Different materials are used in various parts according to the specific requirements for the part. The material choosing also make an influence on tooling material. At Packson, we have been working with thousands of material suppliers for providing turkey material choosing solutions. But most of the time we choose the material according to customer’s requirement and we will also give our suggestion for the material solution sometime. Here are common resins that we use but are not definitely limited as below:


Commodity Resins

















Engineering Resins