After confirm document sheet with customer about Specification Volume Price Sale where Time for mass-produce. We will review to design and specification of customer for development to new design on this products in-house EXD. What is it? These products have the new design. Also, consider for the new design these products. And issued drawing for make a Shape and spec of design concept and review again after issued drawing finished by failure mode and effects analysis of Design. After already have the drawing will study for method for trial production. After trial production finished must be continue to review again by failure mode and effects analysis of Production method all process.