Question: In which region was this type of traditional Chinese dumpling originated, from which Siomay is derived?

Context articles: Jiaozi
Jinong
Xiaolongbao
Shang Huo
Ka Wah Bank
Zhengma method
Shumai
Siomay
Etonkids International Educational Group
Second Hand Rose (band)

Jiaozi ( ) are a kind of Chinese dumpling, commonly eaten in China and other parts of East Asia.
 They are one of the major foods eaten during the Chinese New Year and year-round in the northern provinces.
 Though considered part of Chinese cuisine, "jiaozi" are popular in other parts of Asia and in Western countries.
Jinong (Mongolian: Жонон, Jonon ) was a title of the Mongols.
 It was derived from Chinese "Jinwang" (Traditional Chinese: 晉王; pinyin: jìn wáng; lit.
 King of Jin, a title for crown prince, similar to prince of Wales) although some historians have suggested it originates from "Qinwang" (Traditional Chinese: 親王; pinyin: qīn wáng; lit.
 Prince).
 Whatever its relation with the Chinese title, the Mongol title was rendered in Chinese as "jinong" (Traditional Chinese: 濟農; pinyin: jǐ nóng) or "jinang" (Traditional Chinese:吉囊; pinyin: jí náng).
Xiaolongbao is a type of steamed bun ("baozi") from the Jiangnan region of China, especially associated with Shanghai and Wuxi.
 It is traditionally prepared in "xiaolong", small bamboo steaming baskets, which give them their name. "
Xiaolongbao" are often referred to as a kind of "dumpling", but should not be confused with British or American-style dumplings nor with Chinese "jiaozi".
 Similarly, they are considered a kind of "soup dumpling" but should not be confused with other larger varieties of "tang bao".
 In Shanghainese, they are also sometimes known as sioh-lon meu-doe or "xiaolong"-style mantous.
Shang Huo is a Chinese folk term, known to medical professionals as "excessive internal heat".
 It describes the heat within the body, "Shang Huo" could happen to anyone and it is significant to human health, since it may be likely to cause other serious diseases such as cold, fever and pneumonia.
 "Shan Huo" can be treated through the eating and drinking food materials that produce a cooling effect.
"Shang Huo" could be explained through the theory of traditional Chinese medicine (TCM), which belongs and categorizes it as a heat syndrome of TCM ("Traditional Chinese medicine," 2016).
 Therefore, "Shang Huo" is mainly demonstrated by the emergence of specific symptoms, such as eye redness, pimples on the skin, yellow urine, toothache and sore throat (Cohen, n.d.).
 Framed within these symptoms, it could be easier to understand that the terms explain a situation of internal body imbalances especially a compromise to the immune system ("Traditional Chinese medicine," 2016).
 Traditionally, "Shang Huo" was believed to be more prevalent during hot, windy, cold and humid weather.
Ka Wah Bank Limited (Traditional Chinese: 嘉華銀行有限公司) (Former stock code: ) was a bank in Hong Kong.
 It was acquired by CITIC International Financial Holdings and renamed as CITIC Ka Wah Bank Limited (Traditional Chinese: 中信嘉華銀行有限公司)(In May 2010, CITIC Ka Wah Bank Limited was renamed as CITIC Bank International Limited(Traditional Chinese: 中信銀行國際有限公司)).
The Zhengma Input Method (Simplified Chinese: 郑码输入法, Traditional Chinese: 鄭碼輸入法) (also referred to as Zheng code method) is a Chinese language input method.
 The primary goal of Zhengma design is compatibility with different types of characters (ability to input both simplified Chinese and traditional Chinese), scalability (it works well with extremely large sets of ideographs) and ease of use, especially for people who are experienced with how ideographs are formed.
 For these reasons this input method is used more by scholars of the Chinese language or people who need to use both traditional and simplified Chinese.
 This input method is one of two stroke-based input method that are included with Microsoft Windows.
 (The other stroke-based method is Cangjie which can also generate both simplified and traditional characters and which is extensively taught and used in Taiwan and Hong Kong.)
Shaomai (), is a type of traditional Chinese dumpling, originated from Hohhot, Inner Mongolia.
 In Cantonese cuisine, it is usually served as dim sum.
 Along with Chinese diaspora, variation of Shaomai also appears in Japan (焼売, "Shumai") and Southeast Asia ("Siomay").
Siomay (also Somay), is an Indonesian steamed fish dumpling with vegetables served in peanut sauce.
 It is derived from Chinese Shumai.
 It is considered a light meal that is similar to the Chinese Dim Sum, but is cone shaped.
 It is traditionally made from "tenggiri" (wahoo) fish meat.
 Sometimes other types of seafood such as tuna, mackerel, and prawn also can be used to make siomay.
 Other complements to siomay are steamed cabbage, potatoes, bitter gourd, boiled egg and tofu.
 Siomay is cut into bite size pieces and topped with peanut sauce, sweet soy sauce, chili sauce and a dash of lime juice.
Etonkids International Educational Group (simplified Chinese: 伊顿国际教育集团; traditional Chinese: 伊頓國際教育集團) is an early education services provider in the People’s Republic of China.
 The group operates three kindergarten brands: Etonkids International Kindergarten (simplified Chinese: 伊顿国际幼儿园; Traditional Chinese: 伊頓國際幼兒園); Etonkids Bilingual Kindergarten (Simplified Chinese: 伊顿双语幼儿园; Traditional Chinese: 伊頓雙語幼兒園); and Etonkids Huizhi Kindergarten (Simplified Chinese: 伊顿慧智幼儿园; Traditional Chinese: 伊頓慧智幼兒園).
 The group manages kindergarten campuses in major Chinese cities and China’s only indigenous American Montessori Society affiliated teacher-credentialing program.
 The group’s headquarters are in Beijing, China.
Second Hand Rose () is a Chinese rock band from Beijing, China.
 The band is known for its bold combination of traditional Chinese instruments with solid rock & roll fundamentals.
 The influence of traditional Chinese folk music can be clearly felt in the singing of leadsinger Liang Long and the usage of traditional Chinese instruments in both their recordings and live performances.
 Their debut album, the self-titled "Second Hand Rose Band", was released in 2004 to critical acclaim in China's bigger cities.
 The album also received rave reviews on specialist music websites in the U.S.