Exhibit Profile:
drilling, pumping unit, sucker rod Pump, Wellhead Devices, Slurry Recycling System, Drilling Engineering & Technical Services
drilling, pumping unit, sucker rod Pump, Wellhead Devices, Slurry Recycling System, Drilling Engineering & Technical Services
Website:www.chinaxinyv.com

河南信宇石油机械制造股份有限公司