Our company is the main supplier for casings, tubings, suck rod, line pipes located in Shandong, China. We established very close cooperative relationship with many suppliers who produce the relative products. Our products always export to USA, Canada, Indonesia, Middle-east countries, Turkey, Russia, Kazakhstan, etc. We sincerely welcome all the friends visit and contact business. We can reply you within 24 hours according to customer&＃039;s any inquiry.