Cross-border E-commerce Growth Partner

Scale your global sales with data-driven Facebook and Google advertising.

We help international e-commerce brands acquire better customers, improve ROAS, and expand into new markets.

From strategy and creative testing to budget scaling and conversion optimization, we build a measurable system for revenue growth.

  • Performance-first media planning with weekly sprint execution.
  • Unified tracking view across Meta, Google, and store conversion data.
  • Dedicated cross-border specialists for North America, Europe, and SEA.

Average ROAS Improvement

+185%

Markets Covered

30+ Countries

Campaigns Managed

1,000+ / year

About BUYSUN

A Hong Kong based digital growth team for international online brands.

BUYSUN INTERNATIONAL TRADING (HK) CO. LIMITED delivers cross-border e-commerce marketing and operations support for brands targeting North America, Europe, and Southeast Asia.

We connect market intelligence, platform execution, and commercial operations to transform ad spending into scalable, predictable revenue.

Global Market Thinking

Campaign frameworks tailored for market maturity, local customer behavior, and platform dynamics.

Operational Discipline

Clear KPI ownership, weekly optimization rituals, and accountable reporting cadence.

Revenue Orientation

Optimization decisions guided by contribution margin, LTV, and profitable customer growth.

Core Services

Capabilities built for sustainable global scaling.

Every engagement combines channel execution, creative iteration, and commercial analytics so growth quality improves together with volume.

Facebook Ads Scaling

Full-funnel Meta campaigns for acquisition, retargeting, and creative testing.

  • Creative testing matrix for hooks, offers, and formats.
  • Budget scaling model with CPA and frequency guardrails.

Google Ads Performance

Search, Shopping, and Performance Max strategies focused on profitable growth.

  • Intent-layer keyword architecture and smart bidding governance.
  • Merchant feed quality optimization for stronger shopping coverage.

Store Operations

Cross-border store management, listing optimization, and conversion journey improvements.

  • Product page CRO, offer architecture, and checkout friction fixes.
  • Operational dashboards linking traffic quality to order outcomes.

Data-driven Optimization

Attribution analysis, bid strategy iteration, and creative performance diagnostics.

  • Funnel drop-off diagnostics and conversion path benchmarking.
  • Creative scorecards to prioritize winner replication speed.

Global Marketing Strategy

Market-entry planning and localized growth strategy for cross-region expansion.

  • Country prioritization based on demand signals and margin feasibility.
  • Localized messaging and channel mix for faster market penetration.

Advertising Solutions

Performance systems across every growth stage.

Our operating model aligns media, creative, and conversion operations into one closed-loop growth cycle with clear milestones.

Acquire

Audience research, creative hooks, and channel testing to capture qualified traffic.

  • Demand mapping and offer-market fit validation.
  • Rapid ad-set experimentation with learning agenda.

Convert

Landing page and shopping flow optimization to increase conversion rates and AOV.

  • Conversion bottleneck audits across device and funnel depth.
  • Price, bundle, and trust-element optimization for AOV lift.

Retain

Remarketing and lifecycle strategy to increase repeat purchase and LTV.

  • Audience sequencing for cart, browse, and past-buyer cohorts.
  • Lifecycle offers and reactivation journeys tied to margin goals.

200M+

Annual Ad Impressions Managed

Built through structured creative rotation and objective-based budget allocation.

40+

Global Brand Clients

From emerging sellers to multi-market DTC brands with aggressive growth targets.

92%

Client Retention Rate

Sustained by transparent reporting, quarterly roadmap reviews, and measurable wins.

Client Success

Case studies from international e-commerce campaigns.

Each case demonstrates how channel strategy, creative velocity, and on-site conversion work together to unlock profitable scaling.

Beauty DTC Brand

Scaled Facebook spend by 3.2x while maintaining target CPA in North America.

  • Problem: rising acquisition costs and creative fatigue.
  • Action: creative testing engine + segmented retargeting.
  • Result: higher spend capacity with stable CAC efficiency.

Consumer Electronics Store

Increased Google Ads revenue by 147% through feed and bidding optimization.

  • Problem: weak Shopping visibility and low query relevance.
  • Action: feed enrichment + intent-tier campaign restructuring.
  • Result: stronger conversion volume and improved revenue quality.

Lifestyle Cross-border Seller

Expanded into Southeast Asia and improved repeat purchases with remarketing flows.

  • Problem: limited market penetration and low repeat rate.
  • Action: localized messaging and lifecycle automation.
  • Result: regional growth with healthier LTV trajectory.

Contact

Ready to grow your global e-commerce business?

Speak with our team to get a practical media and growth roadmap.

Share your current ad performance, markets, and growth goals. We will provide a clear opportunity map with actionable next steps.

  • Company: BUYSUN INTERNATIONAL TRADING (HK) CO. LIMITED
  • Phone: +852 94150851
  • Email: info@buysuntrading.com
  • Address: Flat P, 4/F, Lladro Centre, 72 Hoi Yuen Road, Kwun Tong, Kowloon, Hong Kong