Who You're Actually Dealing With.
Two registered entities, one operator, and a public track record you can check yourself before you spend a dollar.
GZ Visions and The Factory Floor are commercial brands of the SourcePro GZ group.
Legal Entities
International Contracts & Invoicing
SOURCEPROGZ LIMITED
- Jurisdiction
- Hong Kong SAR
- Business Registration No.
- 79170537
- Registered Address
- No. 5, 17/F, Strand 50, 50 Bonham Strand, Sheung Wan, Hong Kong
- Business Commenced
- 14 November 2025
- Nature of Business
- International Trade & Sourcing; Supply Chain & Distribution
- Director
- Cengiz Gunduz
International contracts and invoicing. This is the entity trading as The Factory Floor (see Terms of Sale).
Domestic Operations
戚继钢观智商务服务(上海)有限公司
- Jurisdiction
- Shanghai, China (WFOE)
- Unified Social Credit Code
- 91310000MAK8APEC0Q
- Registered Address
- 1/F, Building 1, No. 588, Lane 7548, Waiqingsong Highway, Qingpu District, Shanghai
- Established
- 13 March 2026
- Structure
- Wholly owned subsidiary of SourceProGZ Limited (Hong Kong).
Domestic operations, supplier-facing work, and fapiao invoicing in China.
Founder

Cengiz Gündüz — Founder & Director
25 years in global industrial trade across the US, Brazil, Türkiye, and China. Based in Shanghai, walking factory floors myself. Author of Sourcing From China Without Getting Burned.
Solo operator. I personally answer every email and sign every contract.
Verify my background independently — I invite it.
How to Verify Us
Both entities are verifiable on public registries: SourceProGZ Limited via the Hong Kong Companies Registry and the Inland Revenue Department's Business Registration Number enquiry (BRN 79170537); our Shanghai company via China's National Enterprise Credit Information Publicity System at gsxt.gov.cn (code 91310000MAK8APEC0Q). Serious buyers check. We built this page so checking takes you two minutes.
Payments
All payments are processed by Stripe. Card-network buyer protection applies to every purchase. The Supplier Risk Diagnostic carries a 30-day refund guarantee — full terms on the product page.
Contact
- Response Time
- Within 1 business day
- WeChat / WhatsApp
- Available on request — ask by email