As we delivered prototypes to customers, we frequently received questions about the possibility of providing small-volume metal casting services. Therefore, we began searching for metal casting suppliers to meet those needs. Unfortunately, the search was fruitless. Larger casting companies showed no interest in small-volume production, while smaller casting companies were unable to meet our quality requirements. This posed a challenge, but we viewed it as a business opportunity: If it was difficult for us to find the right companies for these projects, we knew it would be much more difficult for overseas customers to find them..