Contact Us

Connect directly with our Shenzhen engineering and sales team for wholesale inquiries, custom OEM/ODM projects, and rapid physical samples.

Sales & Project Coordinator

Lead Contact: Julie
Direct WhatsApp / Phone: +86 199 7631 9629
Response Time: Replies within 1 business hour (Mon – Fri, 9:00 – 18:00 GMT+8)

Headquarters & Facility Location

Company: Shenzhen Wanshengji Technology Co., Ltd.
Address: Building 2, Crown Science & Technology Park, No. 21 Tairan 9th Road, Tian’an Community, Shatou Sub-district, Futian District, Shenzhen, China

RFQ & Sample Dispatch

Business Email: gz.pccc.service@gmail.com
Sample Policy: Standard switch samples dispatched promptly; custom OEM proofing supported.

Follow Us

Contact Page Form
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Guaranteed RFQ & quotation response time during business days.
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Full functional & tactile actuation inspection under ISO 9000 standard.
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Official exhibitor at Shenzhen Gifts Fair & Global Sources Hong Kong.

Visit Our Facility & Meet Our Engineering Team in Shenzhen

Strategically located in Shenzhen—the epicenter of global electronics and mechanical keyboard manufacturing. We warmly welcome international trade partners, gift sourcing agents, and corporate buyers to inspect our physical samples, review tooling capabilities, and discuss tailored OEM/ODM projects in person.
Hands-on tactile switch evaluation across all 4 core product series.
Face-to-face DFM (Design for Manufacturability) engineering reviews.
Prime Shenzhen location: Convenient transit from HK and Shenzhen Bao’an Airport.
Schedule meeting slots for Shenzhen Gifts Fair & Global Sources HK 2026.