Sparkproof non sparking bung wrench  bung spanner plug drum opener 

material aluminum bronze or beryllium copper 

port tianjin 

hardness 25HRC 

non sparking tools are widely used in petroleum industry ,chemical industry ,power generation,railroad,mining,etc.

we can provide the service

1 Accept customer's size and plus size

2 You can also provide the pictures you like then we will manufacture them perfectly

3 We aim to offer 100% quality products

4 Keep smooth delivery on time

size 300mm 350mm