Evaluating Your Power Inverters Suppliers Where sourcing power inverters from China or elsewhere, one of the most important things you as a buyer need to do is to make sure you are working with the right supplier. So where do you start? Define your ideal supplier. We suggest buyers should first define their "ideal supplier". This is unique to each buyer and depends on a number of factors, including price, quality and lead time. Define your location. Where factories are based should also play a role in supplier evaluation. While power inverters factories in China's northern and western provinces have lower manufacturing costs, the quality is often lower. Those located along the coast and in the southern region have higher production outlay but the quality is generally better. Note as well that the farther inland you go, the more expensive your logistics costs will be. Look in the right places. Even many people said leading B2B websites is the right places [...]