Best quality bolt making machine supplier-Rainbow

Best quality bolt making machine supplier-Rainbow.

Automatic bolt making machine is a specialized machine with high precision,high productivity and more automation among metal forging machinery.

Cold forging machine is used to produce different kinds of bolts, nuts and other metal parts in fastener industry.

Our bolt former is highly praised by customers all over the world. It's been widely use in famous fastener factories home and abroad.

Warm and meticulous customer service is included in 's business philosophy.