HH Drawworks-Sichuang Honghua Group

HH Drawworks main model include:JC20,JC20DB,JC30DBZ,JC30,JC30DB,JC40,JC40D,
JC40DB,JC50,JC50D,JC50DB,JC70,JC70DB,JC90DB,JC120DB

HH Drawworks

Jining Donghong Machinery Co., Ltd

www.dhparts.com
spareparts1960@foxmail.com
dh@dhparts.com
Mobile/WhatsApp: 0086-18954079939
Skype: spareparts1960

API  OSHA  IADC  OPEC  RIG ZONE  WORLD OIL Drilling Formulas