King Kong Drills Limited was founded in 2012 which is a professional manufacturer that produce rock drilling tools including the Top hammer and DTH drilling tools like taper drill bits,rods,thread drill bits, thread drill rods, DTH hammer, DTH bit,shank adapters, Hollow drill steels and rods,cutting pick,tungsten carbide inserts,integral drill rods,plug hole drilling rod. Contact:Bruce Lee Email:bruce@kingkongdrillsltd.com Whatsapp/Phone:+86 17638571343