Contact Us

Choose the appropriate channel for your inquiry and provide the application scenario, target parameters or a complete part number where possible for faster response.

Official Contact Channels

Domestic and overseas business use separate mailboxes; the product service hotline handles product and application inquiries.

Product Service Hotline400 900 1922

Company Switchboard021-33617848

Domestic Businessweb@ymin.com

Overseas Businessymin-sale@ymin.com

Company AddressNo.XX, XX Rd, Shanghai (test data)

Submit an Inquiry

Upon submission, an email to YMIN’s official mailbox will be generated.

Inquiry Type *Name *Company *Phone or Email *Product LinePart Number / SeriesRequirements *I agree that YMIN may use the contact information above to process this inquiry.

Preparing this information makes communication more efficient

Complete Part Number

If you already use a product, provide the series and complete part number.

Target Parameters

Provide hard constraints such as voltage, capacitance, size, ripple current and life.

Application Conditions

Describe the end application, ambient temperature, circuit position and operating conditions.

Project Stage

Describe the selection, sampling, validation or mass-production stage and planned timing.