# Former Elementary School Teacher And Sister Become Billionaires After Tape Maker’s Stock Surges 787% In IPO

> **Open Intelligence Dossier** · First detected: 2026-11-03 16:20 UTC · Category: Business

## Executive Summary
Former elementary school teacher Mai Michael and her sister have become billionaires following Crown New Materials' 787% stock surge during its Shenzhen IPO.

## Intelligence Brief
Crown New Materials, a Chinese tape maker, experienced a massive valuation spike during its debut on the Shenzhen Main Board. According to reports from Demokratis.co.id and SuaraGarut.ID, the company's stock soared 787 percent upon its debut. This rapid increase in market value has resulted in a significant windfall for the company's founders. Forbes reports that Mai Michael, who previously worked as an elementary school teacher, and her sister have both achieved billionaire status as a direct result of the stock's performance during the initial public offering. Coverage from several outlets emphasizes the scale of the financial gains associated with the debut.


BigGo Finance reports that the stock surged over 600%, noting that investors who were allotted 500 shares are currently seeing paper gains exceeding CNY 66,000. Additionally, Dealroom reports that Crown New Materials opened with a market capitalization of $3.7 billion. Geo News has specifically focused on the personal background of Mai Michael, identifying her as the former educator behind the company's successful market entry. The context of this trend centers on the sudden transition of the company's leadership from the education sector to the upper tiers of global wealth. The tape maker's ability to attract such intense investor interest on the Shenzhen Main Board has turned a specialized manufacturing business into a multi-billion dollar entity overnight.


This event highlights the volatile and high-growth nature of recent IPOs within the Chinese industrial materials sector, where a single debut can shift the financial standing of the founders and early investors. Looking forward, market observers will monitor the sustainability of the $3.7 billion market capitalization established at the open. While the initial surge reached 787 percent, the long-term stability of the stock price on the Shenzhen exchange remains a key point of interest. Future coverage is likely to track whether the paper gains reported by BigGo Finance for small-scale investors translate into realized profits or if the valuation corrects following the initial IPO hype.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| The Economic Times | He left his teaching job to make adhesive tapes; now Crown New Materials' 787% IPO surge has made him a bi | [Source Link](https://news.google.com/rss/articles/CBMi9AJBVV95cUxPNTRsZnV6LXpoSTZTMGxmMFlacUNRc2F6VE1JMWktQU8yTWYzWlRzOGF3WDBOaFo0eFpXQ3ItVHhoeU1LUWVSWVNBZHdZOTBhVGtGbDI2ZEFIZnJPZm5hMk5McHNoWDdBZUJsNVlZOG8zQ2l4aGl6SjhjSlhSYmZtcnBiQUpEcTJ5VGJpWkRxU20yazJnOHR0X3lNZVVwQWVvelJMOTJaR0h4UDAyWVU0a0xyTHdQdWtIaHhwQmpPazQ4M3plZDRtV2dYV0sxSmRQNDU3eEswbTRiZ2YyZXBta2dqMTJ6bkU2dlVDX3VtWGttZGgxOGdOZ0FvTHpDRUtKQWkyTDdlRXdvNGR5X2J5WmZQMThDd08wSS15dXpjb2tWV0UyWDJQNEhuZlNWUWY2cU84UnZOdGNEbmEybGVSeGpJMGszUF9lNGpGNGhPWXBvcXBOYUV) |
| inkl | China tape maker stock debut: Chinese firm that deals… | [Source Link](https://news.google.com/rss/articles/CBMingJBVV95cUxPSndTV3hYT2oxazFfXzNYczBTR3lLSTRpcFR5ekJpWXhZSVZhSTU0SkVBdDBjZ2FTS2FNdEZoamlHNEo2UTcxc3RzY0pyZmNod2x3YXUxbmxKSkRWdFJ2SGVTaElaRzk0eG9CY0t4ZXdpNWdGVER4aGFSUUpaU0ZHTTh4bGtpaVhJX3JxZTQ3V1kxbHZWY2s5cklNdjRUS1U1aWZUNHRsN0ptbmtPckJaNnprV3lGejAtNW9XNllRZHd3cXE5dHJJZ0Vwc3J1VUNxcGNPcHJWMm01Y0tqamFvYXVwU0xzNVhoSE1CQm9YaDd5NnNVSFVGaVh5OTE0b3N1cEd1b2RnWjUwNFBVWmVEcVhsX2R1aXk1VEE5dUVR?oc=5) |
| The Economic Times | He left his teaching job to make adhesive tapes; now Crown New Materials' 787% IPO surge has made him a bi | [Source Link](https://news.google.com/rss/articles/CBMi9AJBVV95cUxPNTRsZnV6LXpoSTZTMGxmMFlacUNRc2F6VE1JMWktQU8yTWYzWlRzOGF3WDBOaFo0eFpXQ3ItVHhoeU1LUWVSWVNBZHdZOTBhVGtGbDI2ZEFIZnJPZm5hMk5McHNoWDdBZUJsNVlZOG8zQ2l4aGl6SjhjSlhSYmZtcnBiQUpEcTJ5VGJpWkRxU20yazJnOHR0X3lNZVVwQWVvelJMOTJaR0h4UDAyWVU0a0xyTHdQdWtIaHhwQmpPazQ4M3plZDRtV2dYV0sxSmRQNDU3eEswbTRiZ2YyZXBta2dqMTJ6bkU2dlVDX3VtWGttZGgxOGdOZ0FvTHpDRUtKQWkyTDdlRXdvNGR5X2J5WmZQMThDd08wSS15dXpjb2tWV0UyWDJQNEhuZlNWUWY2cU84UnZOdGNEbmEybGVSeGpJMGszUF9lNGpGNGhPWXBvcXBOYUV) |
| Yahoo Finance | Chinese Tape Maker Soars 787% in Market Debut as Beijing Moves to Halt New IPO Filings | [Source Link](https://news.google.com/rss/articles/CBMimAFBVV95cUxNYnRlTTdCakNMczNWWjMyeENEU0pLQWNDUnc1cmROSVNjZXdiaER2VnVjeFBWcU1WZXRTb1J4VVlWdDlMaHhjcnhjLXlQY29NUmxfZHpTU0FvdkRVN0lKdlFnVHR4NUVSc29tanY1a3BtZFAwdnZiVG5SbzhNSnB6S0lKNnlPZVlkeHNSckFfRkhNZUtVV1VzZw?oc=5) |
| The Economic Times | China tape maker stock debut: Chinese firm that deals with Apple, Tesla, BYD saw stock price surges 787 pe | [Source Link](https://news.google.com/rss/articles/CBMi4AJBVV95cUxNQzBka2R3ZkRhRUhOcVU1Nl9RU0JxS2I2UUhxc2hQVlE1QU1RMjl1d05hbFp2UkhYcV9QaUxiTTYwd3hRbnBvbG9ILUVsU3FZNkJJTkFFc1Q3ODZ5WGpGWl8yRUhsSTZBaEVxZjFoOVVQaFJVcHFvVHNOak51cUVTVERxczB3NTNONTFIREFFblp5QkYwWVNfRHZ2TU1QOTB6Z2hxWU5RNEY2QlYtZW4tQVRGZzRhX1Rqekg1ZmtxOUpBZmVESFphQ0d6b0NKWFZ2Y3VPSHRKMnpUd0hPZndadUYwNm5pMVZpdE1sMWxJZXRaa1lUbi1DenlIWGx4TmpvVTB1N2M5YVZQeXgzY2FJcEc2SS14QTJhRDMtUFlCbmxUSTJZdEJnNW5ILVJja194STFEbWdRSTQtR3dDM3FNdGJoYk90VkpiREI1YU5VWG9NT2ZMbVR) |
| Benzinga | Chinese Tape Maker Soars 787% as Beijing Restricts IPOs - Tesla (NASDAQ:TSLA) | [Source Link](https://news.google.com/rss/articles/CBMiigFBVV95cUxNeTNlVzVCWGtiQkxMeUs1d3NMZUpSMVN0Rzl2Q3ZyY3JSTkRlemhkY1ExR1lubkFJNXBueGxER1lFZDdCbTBMRVhzNElfV2tyemEyRmxPMVh3Mm9JZ0ZkQTdXRVpKQ0JfaHM4SDluTnZJdGs3NlR1TWs2RlkxT0s2dlp4TXZlel9QUXc?oc=5) |
| Demokratis.co.id | Crown New Materials Soars 787 Percent in Shenzhen Debut | [Source Link](https://news.google.com/rss/articles/CBMiakFVX3lxTE1NNXM5ZzlQZDY5R0Qwd3lwSXg2RjQxZlMxQ0RlWnZzeHJEMWNCRlJPamFCcV96RUJ4dTY3OTAySFJLTVVGeEduTWZBd0hOeE4tMlBFTXNydzNlSDVDTkQ5YUZuZVUwSTJJamc?oc=5) |
| SuaraGarut.ID | Crown New Materials Jumps 787% in Shenzhen IPO Debut | [Source Link](https://news.google.com/rss/articles/CBMiZEFVX3lxTFBtTDVCZ00xbkR4MkpjdVFIN1NKdnAtbW9KaG9JdXVlSC1fWmtYc3JpVG1zTnkweXptTkJ5WEZxMDRmMGdfaXF5T2FkeXZ5clJXem1Da3pTZEhvRXRuOWJ4TnlZdko?oc=5) |
| Geo News | Who is Mai Michael? Former elementary school teacher behind Crown New Materials's 787% debut | [Source Link](https://news.google.com/rss/articles/CBMivwFBVV95cUxPaF9tSWZudFJ0RWRvY0NoUXV1SFZwWXRuVVMxX05mMEdPcmRHeVgyeXJWZGo1N2FQWWlIV2FnT1dJOGdVOER3RjJhcmxOa3VrQXk3dW96Vm5JRTFCbzdpNmVkWkUxXzRFeElmWUlqQVlOaFVIXzYwSDdrRVpXVVNES1plWG10OU9QZ0NHY0FtUXRORV9YMHZ4TG84RFB1TUFYMV9sd0hkbWhJZmNRVFpmZkNnV0hHN0htdEU0NW5fTQ?oc=5) |
| BigGo Finance | China's Crown New Materials Surges Over 600% in Shenzhen Main Board Debut; Investors Allotted 500 Shares Sit on Paper Gain of More Than CNY 66,000 | [Source Link](https://news.google.com/rss/articles/CBMidkFVX3lxTE02UWxVdWktbVg1SmJzbThqazN4NGEwUHR5Z3VZT20teDhuM0wtS0pobjRHdGxmeTc0QTV1dkJWb212NGRxdTE3WFN3S1FoN2lLUC1UUHMtMDZQWGxma1lZMnZWR2dQakRFQnBXWG1YR0RPOU5yNmc?oc=5) |
| Dealroom | China's Crown New Materials opens at $3.7B market cap on Shenzhen debut | [Source Link](https://news.google.com/rss/articles/CBMipwFBVV95cUxQRmYwZ3MtbnJVRTFsdG05QmZSZGN0STF2MDlWQ0VIX1NIS3N4WG4zV01IOXBmUVJHaFFnOHJ6T3RaWTZyUW5iTnA5SXpLcVFSejhIYzhNVlQtLXp2Nm5nTXFwQmRZZng4b0NQLVB5YVB0TUZfX0RtUjJ2UUVfRVJyYlhpbjYyaXIzQjNWQ3VzX0NMTmUyV1I3WTZvcDRrSlprNGVNRktJUQ?oc=5) |
| Forbes | Former Elementary School Teacher And Sister Become Billionaires After Tape Maker’s Stock Surges 787% In IPO | [Source Link](https://news.google.com/rss/articles/CBMi5wFBVV95cUxQREdwT1JjYzNsMHZMZ1h3OXpyTkNSZF8tYTlFalAzMG1LZUE4czNLTWVKZ29icS1BRllHQWtuVDRVNmNpVDgwWmtKbk5JTnhaWTJRVk1sOHowSmFpcU5xd3RxTzdSNmY4X3ZocGo2ZVFtRENYbTNiM2pYZ1V2ekpyY1ZNaVY0RGs2RVl2U0lZOHhyOGctVmtsLVBpY1JWczdXcFBLUGROM2lyY0hpSU1wc3pTTVk4TE12ZTJRTFkwYm56VTh5akQzS2l6TFh0anRXSzdwTmNCSktBR05WUk5zQUdEMkd2OEE?oc=5) |

---
*Canonical Source: https://pulse.byoviral.com/trend/2026-11-03/former-elementary-school-teacher-and-sister-become-billionaires-after-tape*