Inverter OEM ODM factroy

In May 2021, we received a special request from a Japanese customer for inverters, he wants our factory to  OEM and ODM inverters with special functions: our off-grid household inverters are used together with the grid-connected inverters self-developed by customers to form an energy storage system for home backup power supply (grid-inverter (solar power) supplies power to the mains and MPPT solar controller charging to battery during the day, and uses the storage battery to supply power to household appliances through the off-grid inverter at night), customer tell us if Using this system saves the expensive cost of using conventional off-grid energy storage all-in-one machines. The inverter does not need mains charging and needs AC 110VAC 220VAC dual outputs. After a month of discussion and continuous modification by the engineers of both parties, the sample was released on 6 On March 15th, it was airlifted to the customer to confirm the test. After 3 months of testing and use, the customer ordered us the first batch of 330 3KW units in November. After a year of good operation, the customer ordered 550PCS 3KW 300PCS5KW again in October this year. 80PCS 10KW inverter and 400PCS 80A MPPT controller, the customer is worried that due to the coming of the Chinese New Year and China's epidemic prevention and control, etc., he hopes that we can ship before December 10th. After receiving the customer's request, we are guaranteeing the quality Under the premise, work overtime to complete this special ODM  order ahead of schedule and successfully complete the loading of 40HQ.