... Union Frequently Asked Question (FAQ)1) Can we do printing on the bottles or jars?Yes, you ... by air, or by express, etc. 7) How do you control the quality?We will make samples before ... mass production. Doing 100% inspection during production; then do random inspection before packing; taking pictures after packing. ... 8) If any quality problem, how can you settle it for us?When discharging the ...