About Siwenlide

Beijing Siwenlide Technology and Trade Co., Ltd. has been doing one thing — enterprise IT — for 14 years and counting. We are the trusted IT partner for over 300 small and mid-sized businesses across 35+ Chinese cities.

2011
Founded
1000+
Clients Served
35+
Cities Covered
2
ISO Certifications

What We Do

We provide end-to-end IT outsourcing for small and mid-sized businesses: daily helpdesk, network design and deployment, enterprise Wi-Fi, structured cabling, physical security (CCTV / access control / intrusion alarm), data backup and disaster recovery, IP-PBX and unified communications, network security, and our own zero-trust VPN product, sTrust.

We do not chase trends. We do not sell what we do not run ourselves. Our goal is simple: be the IT department your business would have if you were big enough to afford one — but at SMB price.

Certifications

ISO 9001

Quality Management System — every engagement follows a documented process. Repeatable, auditable, predictable.
GB/T 19001-2016 / ISO 9001:2015 · Registration No. 03826Q04830R001 · Scope: computer application software development and network hardware operation and maintenance
ISO 20000

IT Service Management — incident, change and problem management aligned to international standards. SLA-driven, not vibe-driven.
ISO/IEC 20000-1:2018 · Registration No. 03826IT00184R001 · Scope: IT service management activities involved in the provision of computer application software development and network hardware operation and maintenance for external customers

Both certificates are issued by World Standards For Certification Center Inc. (WSF) under CNAS accreditation C038-M, currently valid from 22 September 2026 to 21 September 2029, and can be verified by registration number on the certification body’s website. Certificate holder: Beijing Siwenlide Technology and Trade Co., Ltd., Unified Social Credit Code 91110113587665748R.

Combined with ICP filing (Beijing ICP No. 12036077) and ISP license (B1-20252821), we are a fully licensed and compliant Chinese IT service provider.

Our Story

2011
Founded in Beijing
Started with two engineers in Shunyi, Beijing. First client was a 30-person trading company. Still a client.
2015
Reached 100 clients
Expanded into network and physical security alongside helpdesk. ISO 9001 certified.
2018
National coverage
Recruited engineers in Shanghai, Shenzhen, Chengdu, Wuhan. Started serving multi-branch retail clients.
2021
ISO 20000 + 500 clients
IT Service Management certification. Half of our revenue from long-term contracts (5+ years).
2024
sTrust launched
After running enterprise VPN for 12 years and being unhappy with everything on the market, we built our own zero-trust SDP. Launched as a product in 2024.
2026
1000+ clients, nationwide coverage
Today. ISP license granted. sTrust on iOS App Store. Just getting started.

Our Values

Long-term over short-term. Most of our clients have been with us 5+ years. We optimise for retention, not for the next quarter.

Boring is good. Your IT should be invisible. If you are thinking about us, something has gone wrong. We try hard to be forgettable.

One throat to choke. We do not sub-contract critical work. When something breaks, you call one number, you talk to one person, you get it fixed.

Get in Touch

📞 +86 (10) 60400100  ·  ✉️ service@siwenlide.com

📍 Building 3-1002, No.1 Huihai South Road, Linkong Economic Core Zone, Shunyi District, Beijing