Cetas Energy China Energy Technology and Service Limited（Cetas Energy） is a qualified supplier with API and ISO certificates of drilling and oilfield production equipments in the world, including workover rig, BOP, drilling hose, mud pump, power swivel, drill pipe, power tong, choke manifold, OCTG and others. With 25 years of service experience, Cetas Energy has supplied its products to 51 countries and regions and has maintained a stable marketing network in world major oil production areas, boasting an annual contract value of over 32 million US Dollars in 2019. All petroleum materials and equipment are certified by API and ISO from upstream to downstream with fast delivery and competitive price. Certificates: API Certificates ISO 9001 ISO 14001 OHSAS 18001 GMP Certificates Supplier Qualified at Petrochina, Sinopec, Shell, Pemex, Petrobras and Petronas