Enterprise IT Services for SMBs in China
14 years, 1000+ enterprise clients. ISO 9001 / ISO 20000 dual certified.
Network, security, backup, monitoring, helpdesk — one trusted partner.
What We Do
From day-to-day IT helpdesk to full-stack security, we cover the spectrum.
🛠️ IT Outsourcing
Daily helpdesk, server & endpoint management, on-site engineer dispatch. Your team focuses on the business — we keep the lights on.
Learn more →🌐 Network & Wi-Fi
Office network design and deployment, cabling, enterprise Wi-Fi roaming, multi-branch SD-WAN. We have done this 1000+ times.
Learn more →🔐 Zero Trust VPN (sTrust)
Our own SDP product. Identity-first, device-bound, encrypted tunnel. Replaces legacy VPN in 5 minutes.
View Product →💾 Data Backup & DR
3-2-1 backup strategy, off-site replication, ransomware-resistant snapshots, tested DR runbooks. Your data, safe.
Learn more →📹 Physical Security
IP CCTV, access control, intrusion alarm, intercoms, parking systems. Designed, installed, maintained — by us.
Learn more →📞 IP PBX & UC
Cloud or on-prem IP-PBX, video conferencing, unified communications across HQ and branches.
Learn more →Why SMBs Choose Siwenlide
One partner, full stack
From the cable in the wall to the cloud — one vendor, one SLA, one bill. No more pointing fingers between sub-contractors.
14 years, no pivoting
We have been doing enterprise IT since 2012 and we still do exactly that. No crypto detours, no metaverse pivots — just IT that works.
SMB-priced, enterprise-grade
You get an ISO 20000 service process at a fraction of the Big-4 consulting price. We are lean by design.
National coverage
Engineers across 35+ Chinese cities. If your branches are in Shanghai, Shenzhen and Chengdu — we have someone local.
Long-term clients
Most of our clients have been with us for 5+ years. We optimise for retention, not for the next quarter.
Compliance-ready
MLPS Level 3 (等保三级), Data Security Law (数据安全法), audit-ready. We handle the paperwork too.
Ready to talk?
30 minutes is all we need to scope your situation. No sales pitch, just a candid IT health check.
📞 +86 (10) 60400100 ✉️ service@siwenlide.com




