About Us

From Blueprint to Border: Your Premier OEM/ODM Partner.

Turning Innovation into Certified Retail Realities for Smart Home Tech and Outdoor Gear.

Who We Are

At Zhangjiagang Seawing Import & Export Trade Co.,Ltd.,we don't just supply products—we co-create them. We are a specialized, full-service OEM/ODM sourcing and manufacturing platform dedicated to the Smart Home Automation and Performance Outdoor Gear industries.

Headquartered in the world's most robust manufacturing hub, we serve as the absolute engineering and production arm for leading brands, e-commerce enterprises, and retail giants across North America and Europe. We transform raw concepts into market-disrupting, shelf-ready products through an integrated pipeline of R&D, tooling, certified manufacturing, and global logistics.

Talk to our engineering team →
Smart-home door and window sensors
Smart-home sensors
Performance outdoor gear
Outdoor gear
Material sourcing and quality control
Sourcing & QC
Container-load bulk export
Container-load export

Manufacturing Capacity You Can Rely On

30+On-Site Industrial Designers & IoT Engineers
10–15Days Rapid Prototyping Lead Time
100%Proprietary Ownership of Client-Funded Tooling & Molds
0IP Breaches across Hundreds of Successfully Launched Custom SKUs

Your Vision. Our Engineering. Seamless Execution.

We eliminate the traditional headaches of overseas product development. Our turnkey OEM/ODM pipeline is structured around the exacting standards of Western product managers:

01

Concept & CAD

2D/3D Engineering & UI/UX Design

02

Prototyping

3D Printing & Functional Tech

03

Tooling & Molds

Proprietary Mold Development

04

Compliance

CE/FCC/RoHS Lab Testing

05

Mass Production

Strict In-Line QA & DDP Logistics

Engineered for Security. Certified for Compliance.

We understand that custom manufacturing requires complete transparency and ironclad legal protection.

Absolute IP Protection & NDAs

We enforce strict intellectual property isolation. Your custom designs, proprietary molds, and source codes are legally protected and never shared or repurposed.

Rigorous Quality & Factory Audits

Our manufacturing facilities run to ISO 9001, ISO 14001 and BSCI social-accountability management systems, with formal certification currently in application, and we welcome buyer and third-party factory audits.

Regulatory Compliance

We handle the laboratory testing pathways your target market requires, arranging CE, FCC, RoHS, REACH and Prop 65 certification per order so your products clear customs and shelf.

Tested and Certified to Your Market's Standards

We arrange the laboratory testing and certification your destination market requires, and our factory operates to recognised quality and social-accountability management systems.

CEFCCRoHSREACHProp 65UKCA
ISO 9001ISO 14001BSCI

Certificates are currently in application; certification documents will be published here once issued. Product certifications are arranged per order against your target market.

Let’s Bring Your Next Product Line to Life.

Partner with an OEM/ODM platform that understands engineering precision, legal compliance, and market speed. Contact our project managers today to sign an NDA and kickstart your custom build.

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