* 7040long × 5500wide× 3450high for exterior dimension

* 6900long × 4000wide× 2650high for interior dimension

* 2600high× 3000wide entrance doors

* 2 sets of centrifugal intake fan with 3 phase 4kw motor of 28000 m3/h, 1 set of exhaust fan with 3 phase 7.5kw motor of 21000 m3/h

* front door framed by aluminum alloys, 70mm thick heat preserving board for the booth made of 2 sheets of steel and 1 piece of EPS

* 32 ceiling and 16 sidewall tube fluorescent lights with glass cover

* All floor zinc-coated filter grids

* Italian Riello burner RG3S with heat exchanger of imported stainless steel SUS304, 160 thousand Kcal/h

* Reliable Swiss made electrical airflow valve Belimo with 20N actuator and 2 manual airflow valve

* Personnel door

* Anti-overpressure device that can automatically open the personnel door when overpressure is sensed

* Dry active carbon and filter cotton as environment-protection system

* Sliding racket for spraying tiny parts