QA/ QC for product or project is the combination of quality assurance, the process or set of processes used to measure and assure the quality of a product and quality control, the process of ensuring products and services meet consumer expectations.
QA is quality assurance: the jobs are to control on the activities of manufacturer.
QC is quality control inspection: the jobs are to control on the product quality.
A product made to achieve QA QC needs to control many factors
Design Art and Usefulness
Technology breakthrough pioneering
Materials quality and product components
Quality control process in the manufacturing process.
Quality management and assurance process
Skilled workers and salary system
Production line
Production technology
Safe Operation
Product functions are used safely
Product durability is used over time and the environment
Social and community responsibility
Quality accessories included
Packaging and Packing
Shipping and distribution
Manufacturer's conscience (processing) and owner’s
Product brand and warranty
Standard types and codes
Referring to quality assurance and quality control for both of kind products