Temp Range:PU (-29℃-121℃）
Norminal Dia.: 2 1/16in - 4 1/16 in
Material Grade: DD-FF
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
没有评论:
发表评论