Product Design & Engineering

During the product development phase, we assist clients with design work related to exterior styling, structural layout, electronic integration, and mass-production feasibility, ensuring that the product strikes a balance between aesthetics, functionality, cost, and manufacturing efficiency.

What do you have today? We take it from there.

I have drawings / 3D filesTooling & Injection Molding (OEM)DFM review → in-house mold making → injection molding → finishing, assembly & shippingSee tooling & molding capabilities →
I have an idea / a product briefProduct Development (ODM)Industrial design → mechanical & electronics → prototype validation → tooling & mass productionSee the product development process →

8 stages from idea to mass production

01Concept evaluation and product definition
02Product Design & Engineering
033D-printed / CNC prototypes
04In-house mold making (±0.01 mm)
05Mold trial and sample approval
06Injection molding (90+ presses)
07Surface finishing (2 robotic painting lines)
08Clean-room assembly & shipping

ISO 9001
ISO 14001
IATF 16949
BSCI · Sedex
18-person QC team
In-house mold shop, ±0.01 mm
90+ injection molding machines
20,000 m² factory

What Is Product Design & Engineering?

Appearance and structural design are critical steps in taking a product from concept to mass production. Appearance design focuses on the product’s form, proportions, user experience, and market recognition; structural design focuses on internal space, assembly methods, material selection, strength and reliability, and the feasibility of subsequent injection molding.

When it comes to plastic products, good design isn’t just about “looking good”—it must also be “manufacturable, easy to assemble, reliable in use, and suitable for controlled mass production.” Hongqing has an R&D team composed of industrial designers, structural engineers, and electronics development engineers who can provide comprehensive design support to clients during the early stages of product development, from exterior design concepts to structural engineering.

Hongqing Product Design & Engineering Services

Hongqing provides clients with comprehensive support—from design concepts to mass-production-ready solutions—covering product positioning, use cases, market competitors, exterior design, structural engineering, and electronic layout. We focus not only on the product’s visual appeal but also on structural reliability, assembly efficiency, mold development, and the ability to successfully implement injection molding for mass production.

Industrial design

During the early stages of product design, we develop a visual direction for the product by taking into account client needs, the target market, user scenarios, and the characteristics of competing products, helping clients create a product image that better aligns with market demands and their brand positioning.

Structural Design

The structural engineering team designs appropriate shell structures, assembly methods, snap-fits, screw studs, reinforcing ribs, and connection configurations based on product functionality, internal space, material properties, and manufacturing processes, ensuring that the product is stable and reliable and suitable for subsequent mold making and injection molding.

Electronics layout and integration

For products with electronic functions, we can assist in evaluating the layout of components such as PCBs, batteries, buttons, interfaces, displays, light positions, speakers, and sensors to ensure that the electronic design integrates seamlessly with the plastic structure, thereby reducing risks associated with later assembly and functional testing.

Frequently Asked Questions

I only have a product idea—can I ask you to develop it?

Yes. Based on your product ideas, functional requirements, reference images, or samples, Hongqing can assist with product feasibility assessments, industrial design, structural design, and electronic design integration, helping you gradually transform your initial ideas into product solutions that are ready for development, prototyping, and mass production.

Do you only do exterior design, or do you also handle structural design?

We can handle not only exterior design but also structural design. Hongqing has a team of industrial designers, structural engineers, and electronics development engineers who can simultaneously consider a product’s exterior design, internal structure, electronics layout, assembly relationships, material selection, and the feasibility of injection molding for mass production.

We already have the exterior renderings. Can you help us with the structural design?

Yes. If the customer already has design sketches, renderings, or preliminary 3D models, we can use these as a basis for the internal structural design, including the enclosure structure, mounting methods, latches, screw studs, reinforcing ribs, electronic component layout, and assembly methods.

Once the exterior and structural designs are complete, can we proceed directly to mold making?

Once the design has undergone structural evaluation, assembly verification, and confirmation of mass-production feasibility, it can proceed to the mold design and manufacturing phase. Hongqing can also continue to provide services including mold manufacturing, mold trialing, injection molding, surface treatment, and final assembly.

Can you design the appearance and structure of products with electronic functions?

Yes. We can assist with the spatial alignment between electronic components—such as PCBs, batteries, buttons, connectors, displays, light fixtures, speakers, and sensors—and plastic enclosures. Our services are suitable for projects involving smart hardware, consumer electronics, home appliance control components, and 3C product enclosures.

What information do you need from the client for appearance and structural design?

Clients can provide product ideas, functional requirements, reference images, links to competing products, sketches, samples, appearance drawings, 3D files, or electronic design documents. The more complete the materials, the higher the design efficiency; if the materials are incomplete, we can still assist by starting with requirements discussions and proposal evaluations.

Ready to optimize your product design?

Whether you already have complete drawings, design renderings, or just a preliminary product concept, Hongqing can assist you with industrial design, structural development, electronic layout coordination, and pre-production evaluation—ensuring your product is more aesthetically pleasing, more reliable, and better suited for manufacturing.