Stocks-related to Huawei Technologies Co's self-developed operating system soared on Tuesday, after the Chinese tech heavyweight said its HarmonyOS would no longer support Android apps.

The Unionman Technology Co Ltd, a tech company engaging in smart home appliances, saw its shares surge by 20 percent on the STAR Market.

Shares of Tatwah Smartech Co Ltd, a Shenzhen-listed company focusing on smart city and smart finance, also jumped 10 percent on Tuesday.

A string of Chinese internet companies, including food delivery platform Meituan, are partnering with Huawei to develop applications tailor-made for HarmonyOS NEXT, which won't be able to install Android apps or read Android code.

E-commerce company JD.com, video gaming powerhouse NetEase and Meituan are among a number of big tech companies that have started hiring HarmonyOS app developers, according to online career sites Maimai and liepin.com.

Meituan, for instance, is offering a monthly salary of between 40,000 yuan and 60,000 yuan ($5,492 and $8,238) for app developers "with HarmonyOS experience".