|Country||People's Republic of China|
|• Total||988 km2 (381 sq mi)|
|• Density||580/km2 (1,500/sq mi)|
|Time zone||UTC+8 (China Standard)|
Huangyan (help·info) (Tai-chow dialect: Wông-ngæn K'ü; simplified Chinese: 黄岩区; traditional Chinese: 黃巖區; pinyin: Huángyán Qū) is a district of Taizhou, a city in Zhejiang Province, China. Huangyan has an area of 988 km2 (381 sq mi) and a population of approximately 570,000. It has an average annual precipitation of 1,676 mm (66.0 in) and an annual average temperature of 17 °C.
In 1989, Huangyan County was upgraded to a county-level city. As of 1990 census, the population of Huangyuan City was 888,631.
In 1994, Taizhou City was upgraded to a prefecture-level city, correspondingly Huangyan City was amalgamated in Taizhou City, and divided into two districts as Huangyan and Luqiao.
Huangyan is a fruitful place especially for the Mandarin Oranges with long history. Many kinds of worldwide oranges are originated from Huangyan. Now it is the most important mandarin orange planting place in china, exporting to worldwide largely annually.
Huangyan is a famous plastic mould manufacturing base in China. With seven series of precision mould tooling ability including automobile, motorcycle, electric bike, home appliances, audio & video, pipe fitting, medical, chemical. According to the stat. in 2006, in the domestic market, 70% of plastic moulds were made in Huangyan, 50% TV manufacturers choose to purchase TV mould from Huangyan, 70% electric bike plastic parts were made in Huangyan, most of auto manufacturers including FAW, Geely, Dongfeng, Shanghai Volkswagen ordered mould in Huangyan, most home appliance manufactures e.g. Haier, Konka, Changhong, Hisense, Royalstar, Xoceco etc. use the mould from Huangyan. Huangyan has become the important mould tooling center in China, and growing rapidly to export to the oversea market.