Contact us
Tell Us Your Requirement — Get a Quote Within 24 Hours
Fill in the form with your product type, quantity and specification, and attach a drawing, photo or datasheet if you have one (optional). A real engineer reads every enquiry.
- Quotation and DFM feedback within 24 hours
- Specifications, drawing, photo or sample — all accepted
- NDA signed on request before files are exchanged
- Distributors and telecom contractors especially welcome

Enquiry form
Send an enquiry
Fields marked with * are required. If you would rather just email us, that works too — the form simply makes sure we receive the details we need to quote accurately.
Direct contact
- +86 138 1667 2110
- Telegram
- @YazhongWang
- Head office
- Shanghai, China
- Legal entity
- Shanghai Hengchang Electronic Technology Co., Ltd.
We will only ever contact you through the channels listed on this page.
Manufacturing bases
- Jiangsu Base — Fiber OpticsFuning County, Jiangsu Province2,000 m² facility · ~49 employees
- Guangdong Base — Electronic ConnectorsShenzhen, Guangdong Province4,500 m² facility · ~65 employees
What happens next
- We read your enquiry and confirm receipt
- An engineer reviews the specification and flags anything unclear
- You receive price, MOQ and lead time within 24 hours
- If a sample or tooling is needed, we quote that too — itemised
