TOPRANG is the cross-border agency line of Luoyang Dingyang Optoelectronics — micro & compact laser ranging / laser designation modules, fully domestic supply chain, military-grade quality backing.
Three civilian (non-military) lines available for cross-border agency. Catalog mode — request a quote to discuss specs & MOQ.
We focus on a few segments where Dingyang's modules genuinely win — instead of being "just another reseller".
Fast lock, rugged build, long battery. Visual-friendly — works great with creator reviews.
Angle/height measurement, Bluetooth data export, warranty. Strong B2B repeat demand.
Coin-size modules, fully domestic chain, custom integration for UAV manufacturers.
Add ranging to existing optics — a simple upgrade path for hobbyists.
TOPRANG is the cross-border agency of Luoyang Dingyang Optoelectronics Technology Co., Ltd. (est. 2014) — a specialized maker of micro/small laser ranging & laser designation systems.
Dingyang holds national high-tech enterprise status, GJB9001C quality system, and military-related qualifications; it runs China's first full-chain compact laser rangefinder production line (200k+ modules / year).
We act as the civilian-line overseas agency — bringing proven laser hardware to global outdoor, hunting, construction and drone markets.
Compliance note (honest disclosure): Before export licenses, CE/FCC and Dingyang's authorization are completed, this site provides catalog & inquiry only — not direct sale of controlled goods. Certification status is updated in our Compliance Center.
First-phase channel: tell us your use case, model interest and quantity — we reply within 24h.
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