| Jun 2022 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2021 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Jun 2021 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Mar 2021 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Dec 2020 | Guangdong Dynavolt Power Technology Company Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2020 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Jun 2020 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Mar 2020 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Dec 2019 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2019 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Jun 2019 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Mar 2019 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Dec 2018 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2018 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Jun 2018 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Mar 2018 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Dec 2017 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2017 | Guangdong Dynavolt Power Technology Co. Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Mar 2017 | Guangdong Dynavolt Power Technology Co Limited | 2,420,000 | 24.04% | 0 | 0.00% | 0 | 0.00% | 
                    
                        
                            
                                
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                            | Sep 2016 | Guangdong Dynavolt Power Technology Co Limited | 1,936,000 | 24.04% | - | -% | 1,936,000 | -% | 
                    
                        
                            
                                
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                            | Mar 2016 | Guangdong Dynavolt Power Technology Co Limited | 1,936,000 | 24.04% | - | -% | 1,936,000 | -% |