SOFE has established a legally independent third-party inspecting, testing and calibrating laboratory accreditated by China National Accreditation Committee. The laboratory can offer the inspection and testing service for drilling/workover rigs, cementing/fracturing equipment, oil/gas production equipment, downhole tools and well control devices, including quality inspection service, inspection and appraisal service, evaluation testing service, type test service, inspection technology development, technical consulting service, equipment supervision service, etc.