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 31 professional services across the full lifecycle of your IT infrastructure — operating systems, software development, managed operations, cloud-native and AI/Xinchuang.
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 moreAI Agent Deployment on Xinchuang Platforms
Porting, deployment and operations of AI agent platforms on Kylin, UOS and other domestic Xinchuang platforms.
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 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
31professional 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.
2026-11-12 · Linux Ecosystem
AMD AOCC 6.0 Brings Zen 6 Optimizations, New "aof" Fortran Compiler, aoc / aoc++ Branding
With yesterday's launch availability of the AMD EPYC 9006 "Venice" SP7 processors headlined by the incredibly fast EPYC 9996 and EPYC 9686F processors, AMD also launched AOCC 6.0 as the newest version of their in-house LLVM/Clang-based compiler stack.
2026-11-12 · Linux Ecosystem
Additional hardening for the glibc dynamic linker
The Node.js project recently had a security vulnerability that affected its Brotli decoder.
2026-11-12 · Linux Ecosystem
Haiku OS Now Has A UFS Driver, Two & Three Finger Tap Gestures
The BeOS-inspired Haiku open-source operating system project has seen new work on drivers and other improvements during the course of October.
2026-11-12 · Linux Ecosystem
FreeBSD Working To Establish An AI Policy After Polling Developers
The FreeBSD Project published its Q3'2026 status report on Tuesday that outlines a number of development initiatives to ongoing work around an AI policy for this BSD operating system.