# VectraSync Limited

VectraSync Limited is a Hong Kong AI services company focused on reinforcement learning data, AI evaluation, expert feedback, agent benchmark design, developer tooling, workflow automation, and model integration.

## Website

- Homepage: https://www.vectra-sync.com/
- RL data and AI evaluation thesis: https://www.vectra-sync.com/rl-data-evaluation.html
- Contact: gfan@connect.ust.hk

## Services

- RLHF preference data: answer pairs, rankings, rubrics, critique, and reviewer guidance.
- RLVR task sets: code, math, tool-use, STEM, and structured tasks with ground truth, unit tests, checkers, and verifier harnesses.
- Expert feedback data: domain review workflows for software engineering, finance, legal, research, multilingual content, and complex reasoning.
- Agent benchmarks: browser, IDE, mobile, GUI, and business workflow tasks with trajectories, replay artifacts, and pass/fail evaluation criteria.
- Safety and red-team data: adversarial prompts, policy edge cases, multilingual safety scenarios, and escalation rubrics.
- AI solution delivery: consulting, developer tools, workflow automation, model integration, and prototype-to-production support.

## Positioning

VectraSync focuses on non-sensitive, auditable, consented, and reviewable work where Asia-based engineering and domain talent can help US-facing AI teams create high-quality post-training data and evaluation assets.

## Useful Search Phrases

- reinforcement learning data supplier Hong Kong
- RLHF expert feedback data Asia
- RLVR task dataset with verifiers
- AI agent benchmark vendor
- Chinese bilingual AI evaluation data
- post-training data procurement
- AI evaluation and verifier harness services