AI / LLM Deployment & Operations on Linux
Private deployment, tuning and operations of mainstream open-source LLMs such as DeepSeek, Qwen and Llama.
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Founded in 2007 · 20 years of Linux expertise
Professional Linux support
Professional Linux support
Keeping your IT infrastructure stable
Full coverage of mainstream operating systems — Ubuntu, RedHat, CentOS, Kylin, UOS, openEuler and more — plus managed operations, Xinchuang localization, Kubernetes private cloud and AI/LLM deployment & operations. 24/7 technical support.
0Years of experience
Tens of thousandsClients served
7×24Hours of support
Core Services
Core services
A portfolio of 33 professional services across the full lifecycle of your IT infrastructure — operating systems, software development, managed operations, cloud-native and AI services.
Private LLM Inference Engine Deployment (vLLM / SGLang)
Run open-weight LLM inference inside your own GPU environment, with both vLLM and SGLang supported. Data stays in-house, costs stay under control, and the OpenAI-compatible interface lets chat, RAG and agent workloads move over smoothly.
Learn morePrivate Enterprise AI Agent Development
Custom AI agent development, system integration and ongoing operations built around your business scenarios.
Learn morevLLM Inference Engine Deployment & Tuning
vLLM deployment and tuning built on PagedAttention — maximise per-GPU concurrency and utilisation across NVIDIA and AMD accelerators for high-throughput online inference.
Learn moreSGLang Inference Engine Deployment & Tuning
SGLang deployment and tuning built on RadixAttention — reuse KV cache across shared-prefix workloads such as multi-turn chat, RAG and agents to cut time-to-first-token and duplicated compute.
Learn moreInference Engine Selection & Benchmark Load Testing
We benchmark vLLM and SGLang against your real traffic using tools such as GuideLLM, then deliver a selection conclusion, tuning parameters and hardware sizing advice.
Learn moreIntermittent Linux Server Hang & Crash Diagnostics
For random freezes, reboots that hang and intermittent stalls. We preserve the scene, then use kdump/vmcore, SysRq, pstore, PSI and eBPF to reconstruct the kernel state, isolate the root cause and verify the fix. Covers RHEL, Ubuntu, SUSE, Kylin, UnionTech UOS and openEuler.
Learn moreRedHat / CentOS Linux Support
Installation, configuration, tuning, troubleshooting and version migration for RHEL and CentOS.
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Why Choose Us
Why choose Hanshui
Nearly 20 years focused on Linux and open source, bringing proven production experience to your business.
20 years of experience
Focused on Linux support since 2007, with a large body of real production case studies.
Seasoned engineering team
Senior Linux system engineers together with kernel and application developers, offering vendor-level diagnostic skill.
Rapid 7×24 response
An always-on incident channel prioritises critical outages to keep business interruption to a minimum.
Xinchuang & compliance
Deep experience with Kylin, UOS and other domestic platforms for a smooth, compliant transition.
0Years of service experience
Tens of thousandsEnterprises served
0Hour response time
33professional services
Service Process
A standardised process
Four clear, transparent steps that keep every engagement efficient and under control.
1
Requirements
We review your environment, pain points and expectations.
2
Proposal & quote
A tailored technical plan, a defined scope of work and a transparent quotation.
3
Delivery
Agreed service levels and response times, deployed quickly.
4
Ongoing operations
Regular health checks, proactive operations and on-call technical support.
News
News & insights
The latest from the Linux ecosystem, Xinchuang localization and AI.
2026-10-09 · Company Updates Pinned
Our eighteenth anniversary: focused on Linux technical services, serving tens of thousands of enterprises
From 2007 to 2025, Shanghai Hanshui Information Technology Services Co., Ltd. has gone through nearly two decades, always focused on Linux and open source technical services.
2026-10-03 · Industry News Pinned
Xinchuang localization accelerates: practical notes on adapting to KylinOS and UnionTech UOS
As the Xinchuang (China's IT-application-innovation push) industry advances, adapting software to domestic operating systems has become an important issue in enterprise IT build-outs.
2026-11-16 · Linux Ecosystem
AMD Posts Linux Patches For Capacity Aware Scheduling On Hybrid CPUs
On Saturday a new set of Linux kernel driver patches were posted by AMD for enabling Capacity Aware Scheduling on AMD heterogeneous/hybrid processors.
2026-11-16 · Linux Ecosystem
AMD ARG "AMD Root Guest" Linux Patches Coming In 2027
A new feature of EPYC 9006 "Venice" server processors that isn't yet brought up in the public Linux software support is AMD Root Guest (ARG).
2026-11-16 · Linux Ecosystem
ASUS Ascent QN10 Mini PC Powered By Snapdragon X2 Elite Seeing Linux Support
In addition to a number of laptops powered by Qualcomm's Snapdragon X2 beginning to see Linux support, there's now a X2 Elite powered mini PC seeing Linux patches too.
2026-11-16 · Linux Ecosystem
Printing on Linux may be the biggest W
I have been Linux adjacent for over 20 years, but the last few months have been the first time I was able to go 100% full time on my primary machine, due to the recent influx of amazing creative open source applications being developed.