सामान पैक करने का कार्य का विवरण
16mm 19mm 22mm waterproof stainless steel electronic piezo buzzer piezoelectric loud 3v 5v 9v 12v 15v 24v 110v 220v
1. Plastic bag for goods+ inner box bubble+ inner box +carton
2: Upon customers' request, but the price is different with neutral packing