diff --git a/docker_requirements.txt b/docker_requirements.txt
index b6533a975..56cad2d65 100644
--- a/docker_requirements.txt
+++ b/docker_requirements.txt
@@ -29,5 +29,5 @@ OSKut==1.3
 nlpo3==1.2.2
 thai-nner==0.3
 spacy==2.3.*
-wunsen==0.0.1
+wunsen==0.0.3
 khanaa==0.0.6
diff --git a/pythainlp/__init__.py b/pythainlp/__init__.py
index 0c6251534..4034d3910 100644
--- a/pythainlp/__init__.py
+++ b/pythainlp/__init__.py
@@ -4,7 +4,7 @@
 # Copyright (C) 2016-2022 PyThaiNLP Project
 # URL: <https://pythainlp.github.io/>
 # For license information, see LICENSE
-__version__ = "3.1.0-dev0"
+__version__ = "3.1.0-dev1"
 
 thai_consonants = "กขฃคฅฆงจฉชซฌญฎฏฐฑฒณดตถทธนบปผฝพฟภมยรลวศษสหฬอฮ"  # 44 chars
 
diff --git a/pythainlp/transliterate/wunsen.py b/pythainlp/transliterate/wunsen.py
index 9c08a0452..28aa0770c 100644
--- a/pythainlp/transliterate/wunsen.py
+++ b/pythainlp/transliterate/wunsen.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 """
-Transliterating Japanese/Korean/Vietnamese romanization text to Thai text
+Transliterating Japanese/Korean/Mandarin/Vietnamese romanization text
+to Thai text
 By Wunsen
 
 :See Also:
@@ -12,25 +13,40 @@
 
 class WunsenTransliterate:
     """
-    Transliterating Japanese/Korean/Vietnamese romanization text to Thai text
+    Transliterating Japanese/Korean/Mandarin/Vietnamese romanization text
+    to Thai text
     by Wunsen
 
     :See Also:
         * `GitHub \
             <https://github.com/cakimpei/wunsen>`_
     """
+
     def __init__(self) -> None:
         self.thap_value = None
         self.lang = None
         self.jp_input = None
+        self.zh_sandhi = None
+        self.system = None
 
-    def transliterate(self, text: str, lang: str, jp_input: str = None):
+    def transliterate(
+        self,
+        text: str,
+        lang: str,
+        jp_input: str = None,
+        zh_sandhi: bool = None,
+        system: str = None,
+    ):
         """
         Use Wunsen for transliteration
 
         :param str text: text wants transliterated to Thai text.
         :param str lang: source language
         :param str jp_input: japanese input method (for japanese only)
+        :param bool zh_sandhi: mandarin third tone sandhi option
+            (for mandarin only)
+        :param str system: transliteration system (for japanese and
+            mandarin only)
 
         :return: Thai text
         :rtype: str
@@ -39,8 +55,22 @@ def transliterate(self, text: str, lang: str, jp_input: str = None):
             * *jp* - Japanese (from Hepburn romanization)
             * *ko* - Korean (from Revised Romanization)
             * *vi* - Vietnamese (Latin script)
+            * *zh* - Mandarin (from Hanyu Pinyin)
         :Options for jp_input:
             * *Hepburn-no diacritic* - Hepburn-no diacritic (without macron)
+        :Options for zh_sandhi:
+            * *True* - apply third tone sandhi rule
+            * *False* - do not apply third tone sandhi rule
+        :Options for system:
+            * *ORS61* - for Japanese หลักเกณฑ์การทับศัพท์ภาษาญี่ปุ่น
+                (สำนักงานราชบัณฑิตยสภา พ.ศ. 2561)
+            * *RI35* - for Japanese หลักเกณฑ์การทับศัพท์ภาษาญี่ปุ่น
+                (ราชบัณฑิตยสถาน พ.ศ. 2535)
+            * *RI49* - for Mandarin หลักเกณฑ์การทับศัพท์ภาษาจีน
+                (ราชบัณฑิตยสถาน พ.ศ. 2549)
+            * *THC43* - for Mandarin เกณฑ์การถ่ายทอดเสียงภาษาจีนแมนดาริน
+                ด้วยอักขรวิธีไทย (คณะกรรมการสืบค้นประวัติศาสตร์ไทยในเอกสาร
+                ภาษาจีน พ.ศ. 2543)
 
         :Example:
         ::
@@ -58,24 +88,56 @@ def transliterate(self, text: str, lang: str, jp_input: str = None):
             )
             # output: 'โอฮาโย'
 
+            wt.transliterate("ohayō", lang="jp", system="RI35")
+            # output: 'โอะฮะโย'
+
             wt.transliterate("annyeonghaseyo", lang="ko")
             # output: 'อันนย็องฮาเซโย'
 
             wt.transliterate("xin chào", lang="vi")
             # output: 'ซีน จ่าว'
+
+            wt.transliterate("ni3 hao3", lang="zh")
+            # output: 'หนี เห่า'
+
+            wt.transliterate("ni3 hao3", lang="zh", zh_sandhi=False)
+            # output: 'หนี่ เห่า'
+
+            wt.transliterate("ni3 hao3", lang="zh", system="RI49")
+            # output: 'หนี ห่าว'
         """
-        if self.lang != lang or self.jp_input != jp_input:
+        if (
+            self.lang != lang
+            or self.jp_input != jp_input
+            or self.zh_sandhi != zh_sandhi
+            or self.system != system
+        ):
             if lang == "jp":
-                if jp_input is None:
-                    self.thap_value = ThapSap("ja")
-                else:
-                    self.thap_value = ThapSap("ja", input=jp_input)
                 self.jp_input = jp_input
+                self.zh_sandhi = None
+                self.system = system
+            elif lang == "zh":
+                self.jp_input = None
+                self.zh_sandhi = zh_sandhi
+                self.system = system
             elif lang == "ko" or lang == "vi":
                 self.jp_input = None
-                self.thap_value = ThapSap(lang)
+                self.zh_sandhi = None
+                self.system = None
             else:
                 raise NotImplementedError(
                     "The %s language is not implemented." % lang
                 )
+            self.lang = lang
+            input_lang = lang
+            if input_lang == "jp":
+                input_lang = "ja"
+            setting = {}
+            if self.jp_input is not None:
+                setting.update({"input": self.jp_input})
+            if self.zh_sandhi is not None:
+                setting.update({"option": {"sandhi": self.zh_sandhi}})
+            if self.system is not None:
+                setting.update({"system": self.system})
+            self.thap_value = ThapSap(input_lang, **setting)
         return self.thap_value.thap(text)
diff --git a/setup.cfg b/setup.cfg
index bea023df1..14aa60ca5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 3.0.8
+current_version = 3.1.0
 commit = True
 tag = True
 parse = (?P<major>\d+)\.(?P<minor>\d+)\.(?P<patch>\d+)(\-(?P<release>[a-z]+)(?P<build>\d+))?
diff --git a/setup.py b/setup.py
index 78509b9c2..1bcb1d4c7 100644
--- a/setup.py
+++ b/setup.py
@@ -108,13 +108,13 @@
         "nlpo3>=1.2.2",
         "onnxruntime>=1.10.0",
         "thai_nner",
-        "wunsen>=0.0.1"
+        "wunsen>=0.0.3"
     ],
 }
 
 setup(
     name="pythainlp",
-    version="3.1.0-dev0",
+    version="3.1.0-dev1",
     description="Thai Natural Language Processing library",
     long_description=readme,
     long_description_content_type="text/markdown",
diff --git a/tests/test_transliterate.py b/tests/test_transliterate.py
index 0ac93bc66..d2d30e0c2 100644
--- a/tests/test_transliterate.py
+++ b/tests/test_transliterate.py
@@ -171,6 +171,10 @@ def test_transliterate_wunsen(self):
             ),
             'โอฮาโย'
         )
+        self.assertEqual(
+            wt.transliterate("ohayō", lang="jp", system="RI35"),
+            'โอะฮะโย'
+        )
         self.assertEqual(
             wt.transliterate("annyeonghaseyo", lang="ko"),
             'อันนย็องฮาเซโย'
@@ -179,6 +183,18 @@ def test_transliterate_wunsen(self):
             wt.transliterate("xin chào", lang="vi"),
             'ซีน จ่าว'
         )
+        self.assertEqual(
+            wt.transliterate("ni3 hao3", lang="zh"),
+            'หนี เห่า'
+        )
+        self.assertEqual(
+            wt.transliterate("ni3 hao3", lang="zh", zh_sandhi=False),
+            'หนี่ เห่า'
+        )
+        self.assertEqual(
+            wt.transliterate("ni3 hao3", lang="zh", system="RI49"),
+            'หนี ห่าว'
+        )
         with self.assertRaises(NotImplementedError):
             wt.transliterate("xin chào", lang="vii")