ਕੀ ਧਮਾਕਾ-ਸਬੂਤ ਪ੍ਰਮਾਣੀਕਰਨ ਲਾਜ਼ਮੀ ਹੈ

ਚੀਨ ਵਿੱਚ, explosion-proof certification adheres to the GB3836 electrical explosion-proof standard and is mandatory. The certification remains valid for 5 ਸਾਲ.

Internationally, explosion-proof certifications entail a one-time accreditation that is valid indefinitely. ਹਾਲਾਂਕਿ, they necessitate annual on-site reviews by engineers from the certifying body, accompanied by an annual fee.