Talk to Us

Tell us your situation, get a clear scoping and quote within 24 business hours. No pitch, no obligation.

📞 Fastest path: just call

For most enquiries, a 15-minute phone call is faster than a back-and-forth email thread.

Direct Channels

📞
Sales / Service Hotline
400-686-2011
☎️
Beijing Office
+86 (10) 60400100
✉️
Service Email
service@siwenlide.com
🌐
Website
siwenlide.com

What to Expect

⏱️
Response time
Within 24 business hours
📋
First call
15-30 min discovery, no slides
🤝
Site visit
Free for Beijing-area clients
📄
Written proposal
Within 3-5 business days

📍 Beijing HQ

Beijing Siwen Lide Technology & Trade Co., Ltd.

Building 3-1002, No.1 Huihai South Road,
Linkong Economic Core Zone,
Shunyi District, Beijing, China 101300

5 min from Beijing Capital International Airport (PEK). Most international visitors come straight from the airport.

Business Information

Company name (CN) Beijing Siwen Lide Technology & Trade Co., Ltd.
Company name (EN) Beijing Siwen Lide Technology & Trade Co., Ltd.
Founded 2011
ICP filing Beijing ICP No. 12036077
ISP license B1-20252821
Certifications ISO 9001:2015 — Registration No. 03826Q04830R001
ISO/IEC 20000-1:2018 — Registration No. 03826IT00184R001
Issued by World Standards For Certification Center Inc. (CNAS C038-M), valid until 2029-09-21
Service coverage 35+ cities across mainland China

Outside business hours?

Email service@siwenlide.com — we will respond first thing the next business day.