ALUMINUM CASTING • CNC MACHINING • OEM

Integrated aluminum casting and precision machining solutions.

Established in July 2006, CASTSUN provides customized manufacturing from mold design and mold making to casting, machining, post-processing and surface treatment for automotive and industrial applications.

Send Your RFQ Explore Products

IATF 16949:2016 ISO 9001:2015 180T–1600T Die Casting

CASTSUN factory exterior in Lanxi, Zhejiang — CASTSUN manufacturing site in Youbu Industrial Park

ABOUT CASTSUN

Manufacturing experience rooted in Zhejiang since 2006.

Jinhua Tianyang Machinery Co., Ltd. was established in July 2006 and is located in Youbu Industrial Park, Lanxi City, Zhejiang Province, China. The company covers an area of 16,650 square metres and manufactures automotive components, marine outboard motor parts, lighting components and cast products for general machinery.

The company provides integrated services from mold design and mold making to casting production, post-processing and surface treatment, supporting customized requirements based on customer drawings and technical specifications.

Long-term cooperation, mutual benefit, shared responsibility and joint development.

2006Established

16,650 m²Site area

180T–1600TDie casting range

±0.01 mmCNC accuracy up to

MANUFACTURING CAPABILITIES

Verified capacity for casting and precision machining.

180T–1600T

Die Casting Capacity

Die casting machines ranging from 180 tonnes to 1,600 tonnes support aluminum components of different sizes and structural complexity.

±0.01 mm

CNC Machining Accuracy

For suitable part features and process conditions, CNC machining accuracy can reach ±0.01 mm.

01Mold Design

02Mold Making

03Casting

04CNC & Post-processing

05Surface Treatment

CURRENT PRODUCT PORTFOLIO

Aluminum components for mobility, marine, lighting and industrial systems.

The categories below represent products and applications that CASTSUN can currently manufacture and support through customized OEM projects.

Electric drive, motor and transmission aluminum components

EV Drive, Motor & Transmission

Housings, covers and structural components for electric-drive, motor and transmission systems.

Automotive Components

Aluminum casting parts for automotive housings, covers and related assemblies.

Marine outboard engine casting components

Marine Outboard Components

Cast structural components and housings for marine outboard motor applications.

Low-pressure Casting

Complex aluminum housings and circular structural components produced for customized applications.

Aluminum lighting fixture components and heat sinks

Lighting Components

Aluminum frames, housings and heat-dissipation components for lighting applications.

Motorcycle aluminum housings and structural components

Motorcycle Components

Cast housings, covers and structural parts for motorcycle systems.

General machinery aluminum casting components

General Machinery Components

Aluminum casting components for general machinery and industrial applications.

QUALITY SYSTEMS

Certified systems for automotive and general quality management.

Both certifications cover the manufacture of aluminum casting parts at the company site in Youbu Town, Lanxi City.

IATF 16949 certificate issued by Intertek

IATF 16949:2016

Issued by Intertek. Certificate expiry: 22 October 2027. Scope: manufacture of aluminum casting parts.

View certificate PDF

ISO 9001 quality management system certificate

ISO 9001:2015

Certificate expiry: 19 December 2027. Scope: manufacture of aluminum casting parts.

View certificate PDF

HISTORICAL RECOGNITION

Recognition earned during the company’s development history.

The recognitions below are historical awards rather than current management-system certifications. Some documents were issued under the company’s former legal name.