IC procurement in the procurement business is more special, because most of the suppliers are international factories, busy business, attitude is also relatively strong, may be more difficult to communicate.
The best technique is to familiarize yourself with the required IC model and alternative products, and understand the performance indicators required by some products, do your homework, and negotiate with suppliers as simple and fast as possible, so that the two sides can talk more comfortable, so that suppliers will be willing to cooperate with such customers.