diff --git a/bin/omarchy-cn-mirror-apply b/bin/omarchy-cn-mirror-apply
new file mode 100755
index 00000000..3ee99540
--- /dev/null
+++ b/bin/omarchy-cn-mirror-apply
@@ -0,0 +1,35 @@
+#!/bin/bash
+# omarchy:summary=Apply a mirror profile or pin one mirror for pacman
+# omarchy:args=<china|official|mirror-id>
+# omarchy:examples=omarchycn mirror apply china | omarchycn mirror apply official | omarchycn mirror apply tuna
+# omarchy:requires-sudo=true
+
+set -euo pipefail
+
+source "$OMARCHY_PATH/cn/lib/mirror.sh"
+
+target="${1:?usage: omarchycn mirror apply <china|official|mirror-id>}"
+
+case "$target" in
+china)
+  echo "Benchmarking China mirrors..."
+  mapfile -t ranked < <(cn_mirror_rank $(cn_mirror_ids_by_region cn))
+  if (( ${#ranked[@]} == 0 )); then
+    echo "No healthy China mirror reachable; keeping current mirrorlist" >&2
+    exit 1
+  fi
+  # Primary + up to two backups
+  cn_mirror_write_list china "${ranked[@]:0:3}"
+  ;;
+official)
+  cn_mirror_write_list official geo worldwide
+  ;;
+*)
+  url=$(cn_mirror_url "$target")
+  if [[ -z $url ]]; then
+    echo "Unknown mirror id: $target (see: omarchycn mirror benchmark)" >&2
+    exit 1
+  fi
+  cn_mirror_write_list "pin:$target" "$target"
+  ;;
+esac
diff --git a/bin/omarchy-cn-mirror-benchmark b/bin/omarchy-cn-mirror-benchmark
new file mode 100755
index 00000000..97fdac47
--- /dev/null
+++ b/bin/omarchy-cn-mirror-benchmark
@@ -0,0 +1,27 @@
+#!/bin/bash
+# omarchy:summary=Benchmark Arch mirrors for speed, latency, and sync freshness
+# omarchy:examples=omarchycn mirror benchmark
+
+set -euo pipefail
+
+source "$OMARCHY_PATH/cn/lib/mirror.sh"
+
+printf '%-11s %-22s %12s %8s %10s\n' "ID" "NAME" "SPEED" "TTFB" "SYNC"
+
+for id in $(cn_mirror_ids); do
+  url=$(cn_mirror_url "$id")
+  read -r speed ttfb age < <(cn_mirror_probe "$url")
+
+  if (( speed > 0 )); then
+    speed_h="$((speed / 1024)) KB/s"
+  else
+    speed_h="FAIL"
+  fi
+  case "$age" in
+  stale) sync_h="STALE" ;;
+  unknown) sync_h="?" ;;
+  *) sync_h="$((age / 60))m ago" ;;
+  esac
+
+  printf '%-11s %-22s %12s %7ss %10s\n' "$id" "$(cn_mirror_name "$id")" "$speed_h" "${ttfb:0:5}" "$sync_h"
+done
diff --git a/bin/omarchy-cn-mirror-pin b/bin/omarchy-cn-mirror-pin
new file mode 100755
index 00000000..1544b377
--- /dev/null
+++ b/bin/omarchy-cn-mirror-pin
@@ -0,0 +1,9 @@
+#!/bin/bash
+# omarchy:summary=Pin pacman to a single mirror
+# omarchy:args=<mirror-id>
+# omarchy:examples=omarchycn mirror pin tuna
+# omarchy:requires-sudo=true
+
+set -euo pipefail
+
+exec omarchy-cn-mirror-apply "${1:?usage: omarchycn mirror pin <mirror-id>}"
diff --git a/bin/omarchy-cn-mirror-restore b/bin/omarchy-cn-mirror-restore
new file mode 100755
index 00000000..0aa37a9c
--- /dev/null
+++ b/bin/omarchy-cn-mirror-restore
@@ -0,0 +1,19 @@
+#!/bin/bash
+# omarchy:summary=Restore the most recent mirrorlist backup
+# omarchy:examples=omarchycn mirror restore
+# omarchy:requires-sudo=true
+
+set -euo pipefail
+
+source "$OMARCHY_PATH/cn/lib/mirror.sh"
+
+backups=("$CN_MIRRORLIST".omarchycn-bak-*)
+if [[ ! -e ${backups[0]} ]]; then
+  echo "No OmarchyCN mirrorlist backups found" >&2
+  exit 1
+fi
+
+latest="${backups[-1]}"
+sudo cp "$latest" "$CN_MIRRORLIST"
+rm -f "$CN_PROFILE_FILE"
+echo "Restored $CN_MIRRORLIST from ${latest##*/}"
diff --git a/bin/omarchy-cn-mirror-status b/bin/omarchy-cn-mirror-status
new file mode 100755
index 00000000..352d96cd
--- /dev/null
+++ b/bin/omarchy-cn-mirror-status
@@ -0,0 +1,22 @@
+#!/bin/bash
+# omarchy:summary=Show current pacman mirror profile and servers
+# omarchy:examples=omarchycn mirror status
+
+set -euo pipefail
+
+source "$OMARCHY_PATH/cn/lib/mirror.sh"
+
+if [[ -f $CN_PROFILE_FILE ]]; then
+  echo "Profile: $(<"$CN_PROFILE_FILE")"
+else
+  echo "Profile: not managed by OmarchyCN"
+fi
+
+echo "Mirrorlist: $CN_MIRRORLIST"
+echo "Servers:"
+grep -E '^Server' "$CN_MIRRORLIST" | sed 's/^/  /'
+
+backups=("$CN_MIRRORLIST".omarchycn-bak-*)
+if [[ -e ${backups[0]} ]]; then
+  echo "Backups: ${#backups[@]} (latest: ${backups[-1]##*/})"
+fi
diff --git a/cn/lib/mirror.sh b/cn/lib/mirror.sh
new file mode 100644
index 00000000..2ce55c09
--- /dev/null
+++ b/cn/lib/mirror.sh
@@ -0,0 +1,77 @@
+# Sourced helpers for omarchy-cn-mirror-* commands
+
+CN_MIRRORS_JSON="$OMARCHY_PATH/cn/mirrors.json"
+CN_MIRRORLIST="/etc/pacman.d/mirrorlist"
+CN_PROFILE_FILE="$HOME/.config/omarchycn/mirror-profile"
+
+cn_mirror_ids() {
+  jq -r '.mirrors[].id' "$CN_MIRRORS_JSON"
+}
+
+cn_mirror_url() {
+  jq -r --arg id "$1" '.mirrors[] | select(.id == $id) | .url' "$CN_MIRRORS_JSON"
+}
+
+cn_mirror_name() {
+  jq -r --arg id "$1" '.mirrors[] | select(.id == $id) | .name' "$CN_MIRRORS_JSON"
+}
+
+cn_mirror_ids_by_region() {
+  jq -r --arg r "$1" '.mirrors[] | select(.region == $r) | .id' "$CN_MIRRORS_JSON"
+}
+
+# Probe one mirror: prints "<speed_bytes_s> <ttfb_s> <sync_age_s|stale|unknown>"
+cn_mirror_probe() {
+  local url="$1"
+  local speed ttfb lastsync age now
+
+  read -r speed ttfb < <(curl -sS -o /dev/null -m 12 --connect-timeout 5 \
+    -w '%{speed_download} %{time_starttransfer}\n' \
+    "$url/core/os/x86_64/core.db" 2>/dev/null) || true
+  speed="${speed%%.*}"
+  [[ -z $speed ]] && speed=0
+
+  age="unknown"
+  lastsync=$(curl -sS -m 5 --connect-timeout 5 "$url/lastsync" 2>/dev/null | tr -cd '0-9')
+  if [[ -n $lastsync ]]; then
+    now=$(date +%s)
+    age=$((now - lastsync))
+    (( age > 86400 )) && age="stale"
+  fi
+
+  echo "$speed ${ttfb:-0} $age"
+}
+
+# Rank ids by probe speed, excluding dead (speed 0) and stale mirrors
+cn_mirror_rank() {
+  local id url speed ttfb age
+
+  for id in "$@"; do
+    url=$(cn_mirror_url "$id")
+    read -r speed ttfb age < <(cn_mirror_probe "$url")
+    (( speed > 0 )) || continue
+    [[ $age == "stale" ]] && continue
+    echo "$speed $id"
+  done | sort -rn | awk '{print $2}'
+}
+
+# Write mirrorlist from mirror ids (first = primary), with timestamped backup
+cn_mirror_write_list() {
+  local profile="$1"
+  shift
+  local stamp id url content=""
+
+  stamp=$(date +%Y%m%d-%H%M%S)
+  content="## OmarchyCN mirrorlist (profile: $profile, generated $stamp)\n"
+  for id in "$@"; do
+    url=$(cn_mirror_url "$id")
+    content+="## $id: $(cn_mirror_name "$id")\nServer = $url/\$repo/os/\$arch\n"
+  done
+
+  sudo cp "$CN_MIRRORLIST" "$CN_MIRRORLIST.omarchycn-bak-$stamp"
+  printf '%b' "$content" | sudo tee "$CN_MIRRORLIST" > /dev/null
+
+  mkdir -p "${CN_PROFILE_FILE%/*}"
+  echo "$profile" > "$CN_PROFILE_FILE"
+  echo "Mirrorlist written ($CN_MIRRORLIST), backup: $CN_MIRRORLIST.omarchycn-bak-$stamp"
+}
diff --git a/cn/mirrors.json b/cn/mirrors.json
new file mode 100644
index 00000000..6edc3422
--- /dev/null
+++ b/cn/mirrors.json
@@ -0,0 +1,12 @@
+{
+  "mirrors": [
+    { "id": "tuna", "name": "清华大学 TUNA", "region": "cn", "url": "https://mirrors.tuna.tsinghua.edu.cn/archlinux" },
+    { "id": "ustc", "name": "中国科学技术大学", "region": "cn", "url": "https://mirrors.ustc.edu.cn/archlinux" },
+    { "id": "aliyun", "name": "阿里云", "region": "cn", "url": "https://mirrors.aliyun.com/archlinux" },
+    { "id": "tencent", "name": "腾讯云", "region": "cn", "url": "https://mirrors.cloud.tencent.com/archlinux" },
+    { "id": "netease", "name": "网易", "region": "cn", "url": "https://mirrors.163.com/archlinux" },
+    { "id": "sjtu", "name": "上海交通大学", "region": "cn", "url": "https://mirror.sjtu.edu.cn/archlinux" },
+    { "id": "geo", "name": "Arch 官方 Geo Mirror", "region": "global", "url": "https://geo.mirror.pkgbuild.com" },
+    { "id": "worldwide", "name": "Arch 官方 Worldwide", "region": "global", "url": "https://mirror.rackspace.com/archlinux" }
+  ]
+}