Sun Brothers Development Co (ROCO:3489) Tariff Resilience Score: 0/10 (As of Jul. 21, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
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.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
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.

ROCO:3489 Sun Brothers Development Co Ltd ROCO:3489
46 GF Score
Price NT$19.15
GF Value NT$9.14
Valuation Significantly Overvalued
! 6 Warning Signs
View Full Analysis

What is Sun Brothers Development Co Tariff Resilience Score?

Sun Brothers Development Co has the Tariff Resilience Score of 0, which implies that the company might have .

Sun Brothers Development Co has

Tariff Resilience Score is a ranking system developed by GuruFocus to measure a company's exposure to international trade tariffs, rated on a scale from 0 to 10. It takes into account key factors such as global supply chain dependencies, manufacturing locations versus sales markets, import / export balance and percentage of revenue, and more.

The company's exposure to international trade tariffs based on these criteria:

1. Global supply chain dependencies
2. Manufacturing locations versus sales markets
3. Import/export balance and percentage of revenue
4. Historical impact from previous tariff changes
5. Available mitigation strategies (alternative suppliers, pricing power)
6. Industry-specific tariff exemptions or vulnerabilities

Based on the research, GuruFocus believes Sun Brothers Development Co might have .

Sun Brothers Development Co  (ROCO:3489) Tariff Resilience Score Explanation

The Tariff Resilience Score ranges from 0 to 10, with 10 as the most resilient. GuruFocus divided Moat Score into following 3 categories:

Tariff Resilience Score Resilience Level
7 - 10Highly Resilient
4 - 6Average Resilient
0 - 3Highly Vulnerable

Sun Brothers Development Co Tariff Resilience Score Related Terms

ROCO:3489
46GF Score
Sun Brothers Development Co Ltd ROCO:3489
Tariff Resilience Score is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Is Sun Brothers Development Co (ROCO:3489) Overvalued in 2026?

Based on GuruFocus' analysis, Sun Brothers Development Co stock appears to be overvalued. The current stock price of NT$19.15 is trading 109.5% above its estimated GF Value™ of NT$9.14. GuruFocus considers Sun Brothers Development Co to be Significantly Overvalued.

Key valuation signals for ROCO:3489:

  • Tariff Resilience Score: 0
  • GF Value™: NT$9.14 vs. price of NT$19.15 (109.5% above fair value)
  • GF Score™: 46/100 with 6 warning signs

No single metric tells the full story. See the ROCO:3489 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

Sun Brothers Development Co Business Description

Address No. 50, Minquan Road, Luzhu District, Taoyuan, TWN, 338018
Sun Brothers Development Co Ltd is engaged in wholesale of building materials, developing, constructing, leasing and selling for residential, commercial or industrial buildings and others. It is also involved in the development and construction of collective housing and public works contract construction. The company's segments are: Real property section, and Construction section. It derives revenue from Construction segment.
46GF Score

Get the complete analysis for ROCO:3489

Tariff Resilience Score is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

NT$19.15
Price
NT$9.14
GF Value