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DIRECT CONTACT

Contact Sales Team & Executive Direct Line

Connect Directly with Our International Sales Directors and Technical Support Staff.

Ready to launch your prototype or scale your manufacturing? Connect directly with the JYH Prototype international customer support team. We respond to inquiries within 1 hour, sign mutual NDAs immediately, and provide dedicated account management from initial CAD upload through worldwide delivery.

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< 1 Hour Response Time
Dedicated Account Manager
English / German / Japanese Support
Corporate Competencies & Governance

Precision Engineering Built on Transparency

Shenzhen Jinyihe Technology Co., Ltd. operates with total manufacturing clarity, certified quality systems, and complete legal compliance for global Tier-1 OEMs.

Sub-1-Hour Response

Our international sales desk responds to inquiries, RFQs, and emails around the clock.

Dedicated Project Manager

A single technical point of contact who follows your project from CAD review to delivery.

Multi-Currency Payments

Convenient international wire transfers (USD, EUR, GBP), major credit cards, and corporate credit terms.

Immediate NDA Execution

Execute standard mutual NDAs or your corporate confidentiality template within 30 minutes.

Detailed Corporate Engineering Deep Dives

Inside Shenzhen Jinyihe Precision Manufacturing

Explore how our engineering teams, certified cleanroom facilities, advanced multi-axis CNC machines, and strict quality metrology labs guarantee consistent results.

ARTICLE 01 Seamless Communication: How We Support International Clients Across Time Zones
Technical Deep Dive

Seamless Communication: How We Support International Clients Across Time Zones

ARTICLE 02 Flexible Payment Methods: International Wires, Credit Cards, and Net Terms
Technical Deep Dive

Flexible Payment Methods: International Wires, Credit Cards, and Net Terms

ARTICLE 03 The JYH Client Onboarding Process: From First RFQ to Repeat Production
Technical Deep Dive

The JYH Client Onboarding Process: From First RFQ to Repeat Production

ARTICLE 04 Direct Access: Meet Our International Sales Leadership and Account Executives
Technical Deep Dive

Direct Access: Meet Our International Sales Leadership and Account Executives

Ready to Partner with a Certified Precision Manufacturer?

Whether you need a dedicated plant audit, NDA-protected prototyping, or volume serial manufacturing, our Shenzhen engineering teams are standing by.

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Factory QA & Customer Governance

Frequently Asked Questions

Direct answers to client questions regarding our legal status, factory audits, non-disclosure agreements, and global shipping.

Email your 3D CAD files (.STEP/.IGES) and 2D drawings (.PDF) directly to our sales desk or use our online portal for a response in under 2 hours.
We accept payments in US Dollars (USD), Euros (EUR), British Pounds (GBP), Japanese Yen (JPY), and Chinese Yuan (RMB).
Yes. Established corporate clients and universities can apply for Net-30 credit terms following a brief credit review.
Send your NDA to sales@jyhprototype.com and our legal team will return a signed and stamped copy within 30 to 60 minutes.
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Scan the QR code or search WeChat ID to speak directly with our Shenzhen engineering team.

WeChat ID: JYH-Prototype
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