Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
During the past 12 months, Bright Sheland International Co's average Book Value Per Share Growth Rate was 0.20% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was -0.60% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 1.20% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 1.90% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Bright Sheland International Co was 13.80% per year. The lowest was -0.60% per year. And the median was 1.70% per year.
Bright Sheland International Co (ROCO:4556) Book Value per Share Explanation
Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.
For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.
Bright Sheland International Co Book Value per Share Related Terms
Bright Sheland International Co Book Value per Share Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Bright Sheland International Co Book Value per Share Chart
ROCO:4556 vs VLTO, ZWS, CECO: Book Value per Share Comparison
For the Pollution & Treatment Controls subindustry, Bright Sheland International Co's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Bright Sheland International Co PB Ratio vs Industrial Products Industry
For the Industrial Products industry and Industrials sector, Bright Sheland International Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Bright Sheland International Co's PB Ratio falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
What does a Book Value per Share of NT$19.92 mean?
Bright Sheland International Co (ROCO:4556) has a Book Value per Share of NT$19.92 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Bright Sheland International Co and its competitors.
Is Bright Sheland International Co's Book Value per Share too high?
Bright Sheland International Co's current Book Value per Share is NT$19.92. Overall, Bright Sheland International Co has a GF Score™ of 53/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Bright Sheland International Co's Book Value per Share compare to VLTO and ZWS?
Bright Sheland International Co's Book Value per Share of NT$19.92 can be compared against companies in the Industrial Products industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for an Industrial Products company?
A good Book Value per Share depends on the Industrial Products industry context. However, Book Value per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Bright Sheland International Co and its competitors. Bright Sheland International Co's current Book Value per Share is NT$19.92. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Bright Sheland International Co stock overvalued right now?
Based on GuruFocus' analysis, Bright Sheland International Co (ROCO:4556) is currently considered Significantly Overvalued. The stock's GF Value™ is NT$35.24, compared to a current price of NT$85.40 — trading 142.3% above its estimated fair value. The current Book Value per Share is NT$19.92. Bright Sheland International Co's overall GF Score™ is 53/100 with 1 warning sign to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Bright Sheland International Co (ROCO:4556), the current Book Value per Share is NT$19.92 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Bright Sheland International Co (ROCO:4556) Overvalued in 2026?
Based on GuruFocus' analysis, Bright Sheland International Co stock appears to be overvalued.
The current stock price of NT$85.40 is trading 142.3% above its estimated GF Value™ of NT$35.24.
GuruFocus considers Bright Sheland International Co to be Significantly Overvalued.
Key valuation signals for ROCO:4556:
Book Value per Share: NT$19.92
GF Value™: NT$35.24 vs. price of NT$85.40 (142.3% above fair value)
No single metric tells the full story. See the ROCO:4556 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Bright Sheland International Co Ltd is a Taiwan-based company focused on industrial filtration and separation systems. The products of the company include Cartridges and Housing, Melt Blown Cartridges, Winding Cartridges, Activated Carbon Filter Cartridges, and Glass Fiber Filter Cartridges among others.
53GF Score
Get the complete analysis for ROCO:4556
Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
ROCO:4556 has been successfully added to your 
