2.Dimension:

a. Model: MZ-200/300/400

b. Weight:3/10.5/25 kg

c. Certificate: CCS

d. Material: Cast brass

e. Surface: Clear lettering of vessel name and building year

3.Description of Small Ship Bells 

a. Made of cast brass with a highly polished finish. The size is determined by measuring the bell mouth opening. The required size is over 300 mm diameter for the vessels of length greater than 20 meters.

b. Requirements of the ZC Regulations for the statutory surveys of ships and offshore installations and International Marine Anti-collision Regulation(1972),1996 Amendments to the SOLAS1974, and CB/T3142-94,CB/T428-93