v3.26.1
Summary of significant accounting policies (Tables)
12 Months Ended
Mar. 31, 2026
Accounting Policies [Abstract]  
Schedule of Translation of Amounts

Translation of amounts from the local currencies of the Company into US$ has been made at the following exchange rates for the respective periods:

 

   As of and for the years ended
March 31,
 
   2026   2025 
Period-end US$1: RMB exchange rate   6.8980    7.2567 
Period-average US$1: RMB exchange rate   7.1019    7.2163 
Schedule of Estimated Useful Lives

Property, plant and equipment are stated at cost less accumulated depreciation and impairment, if any. Depreciation is computed using the straight-line method over the estimated useful lives of the assets. The estimated useful lives are as follows:

 

Category   Estimated
useful lives
Building   20 years
Electronic equipment   3 to 5 years
Transportation equipment   4 years
Machinery Equipment   10 years
Other Equipment   5 to 10 years
Building Improvement   20 years
Schedule of Cost Less Accumulated Amortization Land use rights are stated at cost less accumulated amortization.
    Rental period
Land use rights   20-50 years
Schedule of Disaggregation of Revenue The Company’s disaggregation of revenue for the years ended March 31, 2026 and 2025 are as follows:
   For the Years ended
March 31,
 
   2026   2025 
Revenue from overseas sales of products  $3,095,591   $3,319,714 
Revenue from domestic sales of products   7,170,022    4,402,796 
Total revenue  $10,265,613   $7,722,510 
Schedule of Disaggregation of Revenue

The summary of the Company’s total revenues by product categories for the years ended March 31, 2026 and 2025 was as follows:

 

   For the Years ended
March 31,
 
   2026   2025 
Revenue from sales of pearlescent pigments  $5,918,673   $5,640,808 
Revenue from sales of industrial intermediates   4,058,772    1,945,522 
Revenue from sales of powder coatings   288,168    136,180 
Total revenue  $10,265,613   $7,722,510 
Schedule of Significant Expenses

Significant expenses for the years ended March 31, 2026 and 2025 are as follows:

 

   As of
March 31,
2026
   As of
March 31,
2025
 
Revenue  $10,265,613   $7,722,510 
Less:          
Cost of revenues   (8,015,770)   (5,610,148)
Salaries and employee benefits   (385,294)   (324,336)
Office expenses   (246,443)   (148,676)
Freight and port charges   (134,921)   (122,737)
Travel and entertainment expenses   (32,245)   (28,473)
Exhibition fees   (63,050)   (72,646)
Depreciation of fixed assets   (40,899)   (44,505)
Amortization of land-use rights   (16,950)   (16,681)
Research and development expenses   (381,958)   (287,922)
Other segment items   17,231    28,960 
Government subsidy   621,728    233,032 
Income tax expense   (159,069)   - 
Interest income   1,477    1,050 
Interest expense   (76,178)   (98,464)
Segment net income   1,353,272    1,230,964 
           
Reconciliation of profit or loss   -    - 
Adjustments and reconciling items   -    - 
Consolidated and combined net income  $1,353,272   $1,230,964