Services

Advantages

Low Cost
Topper leverages an offshore plastic mold making plant with a lower cost structure in order to offer lower pricing than Topper's competitors.

High Quality

Topper is ISO 9001:2008 certified, and Topper processing quality systems ensure that your parts are the highest quality possible for your applications.

Quick Turnaround

Topper offers three different shipping methods, including next day air, to accommodate your timing and budget requirements.

Online Quotes
Topper interactive online quotation system provides instant quotes for plastic mold making, injection molding, CNC machining and die casting.

Technical Articles

The Properties of Pmma and Its Molding Process Characteristics

Posted: 01/07/2021 04:01:30
Hits: 19

PMMA is commonly known as polymethyl methacrylate. It is a non-toxic and environmentally friendly material. It is often used for acrylic sheets, acrylic plastic pellets, acrylic light boxes, signboards, acrylic bathtubs, car taillights, signal lights and instrument panels in...

How to Manufacture Car Instrument Panels?

Posted: 11/17/2020 01:11:05
Hits: 251

In the manufacturing of auto parts, instrument panel is one of the most common auto parts. Nowadays, automobile instrument panels are mostly produced by plastic manufacturing. With the development of automobiles in terms of safety and environmental protection, people have higher and higher...

How to Deal with Color Differences for Injection molding parts?

Posted: 11/09/2020 02:11:10
Hits: 7

It is common to see the color difference in injection molding. Injection molding machines are scrapped due to color differences in matching parts, which is not uncommon. Color masterbatch, raw material resin, mixing of color masterbatch and raw materials, injection molding machines and molds and injection...

Common breakdowns and solutions for automobile stamping molds

Posted: 11/04/2020 12:11:07
Hits: 8

The following breakdowns often occur in the automobile stamping mold process, which will cause inconvenience to production. Solutions for the breakdowns will be explained as follows: Deformation of flanging plastic parts In the process of flanging and shaping, the deformation of the part often...

How to improve the brightness of outer appearance of ABS plastic?

Posted: 10/27/2020 09:10:47
Hits: 43

How to improve the brightness of outer appearance of ABS plastic? China Plastic Mold Co., Ltd is going to explain to you. 1. Injection molds Poor processing of mold cavities If the mold cavity has defects such as scratches, micro-holes, abrasion, roughness, etc., they will inevitably influence the workpieces,...

Features and Applications of Rapid Prototyping Technology (Part Two)

Posted: 01/18/2018 08:01:57
Hits: 11

Rapid prototyping technology can directly manufacture single parts, parts with small quantities and special complex parts. The engineering plastic with high strength can be directly used for rapid prototyping for parts which are made by high polymer materials so as to meet the requirements. For complex...

Features and Applications of Rapid Prototyping Technology (Part One)

Posted: 11/20/2017 09:11:45
Hits: 19

The feature of rapid prototyping technology is that it can quickly produce products without machining equipment or dies, and it can make any complicated 3D geometry object. The more complex parts show the superiority of rapid prototyping technology. In addition, rapid prototyping technology is particularly...

Rapid Prototyping Technologies

Posted: 10/31/2017 02:10:20
Hits: 14

The importance of rapid prototyping in industry Before the occurrence of the rapid prototyping technology, the traditional forming methods of parts use a variety of machine tools, tools and moulds. The traditional forming methods require high technical levels and have high costs. Their manufacturing...

How to Avoid Welding Marks of Plastic Injection Molding Products? (Part Three)

Posted: 09/23/2017 01:09:26
Hits: 13

Defect analyses of welding marks When molten plastic converges with different streams due to their coming across the areas where there are inserts, holes, discontinuous flow rates or interrupted filling materials, the welding marks like threads appear because of the incomplete fusion of molten plastic....