Mechanical Design Services, Custom Fabrication in China, China Mechanical Design Contractor
Jinhua Mastery Machinery Co., Ltd.
We are a China-based mechanical design, consulting, engineering, assembly, sourcing, quality control, and international trading company serving clients worldwide. Our work includes:
1. Design Services:
A. Mechanical Design Services: Automation equipment, machines, devices, fixtures, and other mechanical systems.
B. Product Design Services: Concept design, industrial design, surface modeling, and product engineering design.
Both A and B include: 3D CAD modeling, defining mates and motion relationships in assemblies, interference detection, finite element analysis (FEA), BOM preparation, detailed 2D engineering drawings, assembly instructions, and video preparation of critical motion simulation and assembly process. We also provide electrical system design and PLC or microcontroller programming when required for the equipment or product.
2. Automation Machines, Custom Automation Equipment: Design, assembly, commissioning, delivery, and installation support.
3. Metal Products Supply & International Trading: Castings, CNC machined parts, sheet metal parts, automation components like vibrating bowls feeders.
4. Other Metal & Plastic Products: Design services, manufacturer sourcing, identification and evaluation, quality inspection & control services, international trading if needed by clients. If you do not need our design services, but need us to do the other services listed above, we are glad to help.
We can help you design your products, turn your initial rough ideas to reality, then you can focus on marketing and sales.
When we do international trading, our suppliers are in provinces of Zhejiang, Jiangsu, Shandong, Hebei, Jiangxi, Anhui, and Shanghai area.
Our design services are competitively priced, typically around one-third of comparable rates in the United States and other developed markets, while maintaining a high standard of professional service. All intellectual property rights to the designs and other work we create for you belong to you.
We are based in Yiwu City, Jinhua, Zhejiang Province, one of China’s largest international trade centers. Our team primarily consists of experienced engineers specializing in mechanical design, industrial design, and electrical engineering. We have strong technical English communication skills and can accurately understand and respond to our clients’ technical requirements and expectations. We have extensive experience working with overseas customers, as well as with international trade practices and China’s foreign trade laws and regulations. This experience allows us to communicate effectively with international clients and assist them in working with Chinese manufacturers and suppliers.
Please feel free to contact us. We are always happy to discuss your project and see how we can help.
The following images show the main areas of our services:

Custom Automation Equipment Design Services

Production Lines Design Services

Automation Machines Design Services

Machines Design Services

General Machinery Design Services

Sheet Metal Product Design Services

Sheet Metal Parts Design Services & Custom Fabrication

Vibratory Bowl Feeder & Other Automation Components

Custom Manufacturing to Machined Parts

Fixtures/Jigs / Devices Design Services

Drafting / Drawing Services

Industrial Design Services / Surfaces Modeling Services

Product Design Services / Structural Design Services

Electrical Design & Control Programming

Inspection and Quality Control Services
Motion Video Preparation Services
Assembling Process Video Preparation Services
Exploded-View Drawing Preparation Services


