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SIGNIFICANT CUSTOMER INFORMATION (Tables)
3 Months Ended
Mar. 31, 2021
SIGNIFICANT CUSTOMER INFORMATION  
Schedule of revenue by major customers by reporting segments

Three Months Ended March 31, 

    

2021

2020

Applied Materials, Inc.

$

67,788

    

19.3

%

  

$

50,981

    

16.2

%

Lam Research

*

 

*

%

32,996

 

10.5

%

    

March 31,

  

December 31,

2021

2020

Applied Materials, Inc.

$

40,357

    

17.0

%

  

$

33,402

    

14.2

%

Nidec Motor Corporation

*

*

%

  

24,344

10.4

%