1. Taiwan, Province of China Stocks

  2. •

    Industrials

  3. •

    Industrial - Machinery
Grand Green Energy Co., Ltd.

Grand Green Energy Co., Ltd.

6639.TWO
Grand Green Energy Co., Ltd.TW flagTaipei Exchange
6.25
TWD
+0.07
- -
360.28MMarket Cap
Grand Green Energy Co., Ltd.
6639.TWO
(Taipei Exchange)

Recent

price

6.25

P/E

ratio

- -

div

yld

- -

ROIC.AI

2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
FRC
4.84
3.15
3.31
4.68
4.99
5.17
7.81
7.76
6.04
2.26
- -
Revenue per Share
0.51
0.1
0.05
0.66
0.25
-0.89
-0.88
-1.64
-1.69
-0.72
- -
Basic EPS, GAAP
-1.76
-2.32
-0.64
0.59
0.54
-1.37
-2.31
-2.2
-0.47
-0.74
- -
Free Cash Flow per Basic Share
- -
- -
- -
- -
0.2
- -
- -
- -
- -
- -
- -
Dividend per Share
11.04
10.17
10.12
10.64
10.26
9.29
9.45
6.98
7.25
5.38
- -
Book Value per Share
10.99
10.19
10.12
10.62
10.52
9.76
10.33
7.75
9.1
7
- -
Tangible Book Value per Share
38
41
42
42
42
42
44
48
48
58
- -
Basic Weighted Avg Shares
183
130
138
194
207
215
340
371
293
131
102
Sales/Revenue/Turnover
13.21
4.92
-11.33
10.77
10.37
-15.09
-1.41
-20.35
-34.56
-42.4
-45.99
Operating Margin (%)
18
16
20
29
32
35
33
26
26
25
30
Depreciation Expense
19
4
2
27
10
-37
-38
-78
-82
-41
-47
Net Income, GAAP
16.88
17
33.33
20.72
30.16
- -
- -
- -
- -
- -
- -
Effective Tax Rate (%)
10.52
3.09
1.46
14.12
5.01
-17.13
-11.23
-21.07
-27.99
-31.6
-46.35
Profit Margin (%)
65
-11
-70
12
1
19
114
107
172
70
-6
Working Capital
22
30
4
39
57
63
52
115
142
102
75
LT Debt
416
419
420
441
443
408
451
371
441
403
356
Total Equity
- -
1.08
-2.01
3.26
2.97
- -
- -
- -
- -
- -
- -
Return on Invested Capital (%)
- -
0.86
0.58
5.67
2.55
- -
- -
- -
- -
- -
- -
Return on Capital (%)
- -
0.96
0.48
6.37
2.39
-9.06
-9.59
-20.97
-23.93
-12.46
-16.51
Return on Common Equity (%)

Capital Structure

FRC

•

in mil. unless spec.
No data availableFinancial data will appear here once available

Working Capital

FRC

•

in mil. unless spec.
No data availableFinancial data will appear here once available

Growth Rates

FRC

•

in mil. unless spec.

(avg. rate of change)

10 years
5 years
1 year
Total Equity
-1%
-1.7%
-11.68%
Free Cash Flow
-60.13%
-3.47%
-108.62%
Net Income, GAAP
70.38%
15.66%
14.75%
Sales/Revenue/Turnover
-0.24%
-6.16%
-21.78%
Total Cash Common Dividend
- -
- -
- -

Quarterly Revenue

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2023
- -
- -
- -
- -
293
2024
- -
- -
- -
- -
131
2025
- -
- -
- -
- -
102

Quarterly Earnings Per Share

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2023
- -
- -
- -
- -
-1.69
2024
- -
- -
- -
- -
-0.72
2025
- -
- -
- -
- -
- -

Quarterly Dividends Per Share

FRC

•

in mil. unless spec.

Year

Q1
Q2
Q3
Q4
FY
2023
- -
- -
- -
- -
- -
2024
- -
- -
- -
- -
- -
2025
- -
- -
- -
- -
- -
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Business
Grand Green Energy Co., Ltd. (6639.TWO) engages primarily in the renewable energy sector, providing industrial thermal energy solutions, energy technology services, and power generation capabilities; it manufactures biomass heat-generating equipment and conducts research and development on agricultural waste recycling materials. The company offers core products and services including steam, hot gas, electricity, and biomass energy; waste recycling services; and thermal equipment tailored for industrial applications. Founded in 1997 and headquartered in Taoyuan City, Taiwan, at No. 908, Jingguo Road, it operates principally within Taiwan, targeting industrial clients in the utilities and machinery sectors with a focus on sustainable energy alternatives. In recent developments, Grand Green Energy maintains its position as a biomass investment under J&V Energy Technology, reflecting ongoing strategic alignment in renewable energy platforms without noted major acquisitions, funding rounds, or reorganizations in the last one to two years. The company continues to emphasize R&D in agriculture waste recycling and biomass technologies amid stable operations on the Taipei Exchange. No significant partnerships, new product launches, or expansions have been publicly reported as of late 2025.