Company Name & Address Change Announcement

Dear Valued Customers and Partners,

We sincerely appreciate your long-term trust and support. To optimize our international trade layout and further strengthen our global service capabilities, our company has completed all official industrial and commercial registration procedures.

Hebei Yingpai Import & Export Trading Co., Ltd. has been officially relocated and renamed to Qingdao Yingpai Import & Export Trading Co., Ltd.

Based in Qingdao Free Trade Zone, a world-class port hub for international logistics and foreign trade, we will greatly improve our supply chain efficiency and global delivery capacity. We will continue to provide reliable and cost-effective mud pump parts and professional supporting solutions for global oilfield projects.

Important Notice of Continuity of Business:

1. The brand YP Petro and official website ywww.yppetro.com remain unchanged and keep normal operation.

2. Our core business and product lines remain the same, including API-standard mud pump liners, pistons, valve seats, power end components and other oilfield equipment parts.

3. All sales teams, contact phones and emails are unchanged, ensuring zero interruption to daily business and after-sales service.

4. All previously signed contracts, orders and service commitments are still valid and legally binding. We will fully honor all agreements to protect the legitimate rights and interests of every customer.

In the future, we will take full advantage of Qingdao’s superior port and foreign trade resources to deliver more efficient and high-quality one-stop international trade services for global partners. We look forward to deeper win-win cooperation with you all.

New Registered Address: Room 102, East Office Building, No.45 Pengwan Road, Qingdao FTZ, Shandong 2026-1858(A), China

Qingdao Yingpai Import & Export Trading Co., Ltd.