In May 2017, Stephen King through the Google search to find our company, he said he need 3 samples of agent of aluminum heat sink, the heat sink is applied in the power supply, after one week's discussion, indeed, started our first sample order, we give the sample 2 weeks in time, the customer received the sample said special satisfaction, by December 2017, ushered in the 10 k big customer order, we were very excited, so far, Stephen King has become a customer of our long-term cooperation;