Communicate clearly your requirements

 Let us know the critical dimensions/specs so that we can prioritize accordingly

 Let us know usage of the product/ parts if it is not business secret. This might affect manufacturing processes and quality checking measures.

 If applicable, please let us know how you check for quality.

 Carefully check for sample qualities before having us do mass production.

 Use formal Engineering Change Management procedures.

 Our Quality Guarantee Policy

First of all, we will do everything we can to only ship quality products to customers.

 If a quality issues is identified, and cannot be easily repaired, we will either replace them or fully refund the customer.