•Customers send request by form (through fax or phone).
•VFC contacts for further information if needed.
•Technical staff of VFC carries out a survey on location and directly discuss with customers.
•Make execution plan; write an overall control program and wait for confirmation from customers (for large-scale storehouse, factory etc.); sign contract (if required).
•Fumigate consignment, spraying outside the consignment or the whole storehouse if required.
•Confirm the work load by two parties.
•Exposure time is up to characteristics of chemicals used.
•Aerate the consignment, check, assess and confirm fumigation results by statement.
•VFC issues certificate as requested by customers