Shandong Kerui Petroleum Equipment Co., Ltd.

Name: Health Safety & environmental Management System (HSES) Certification
Range: Drilling And Repairing Well Operation
Reference: Beijing Zhongjing Quality Certification Co., Ltd.

Name: Occupational Health And Safety Management System Certification
Range: Occupational Health & Safety Management For Drilling And Repairing Well Operation
Reference: Beijing Zhongjing Quality Certification Co., Ltd.

Name: Environmental Management System Certification
Range: Environmental Management For Drilling And Repairing Well Operation
Reference: Beijing Zhongjing Quality Certification Co., Ltd.

Name: API Specification Q1
Range: Quality Management System
Reference: API

Name: API ISO 9001:2000
Range: Quality Management System
Reference: API

Name: API ISO/TS 29001
Range: Quality Management System
Reference: API

Name: Certificate of Authority to use the Official API Monogram
Range: Products
Reference: API

Name: International Association of Drilling Contractors
Range: Drilling Contractors
Reference: IADC

Name: International Association of Drilling Contractors
Range: Drilling Contractors
Reference: IADC

Name: International Association of Drilling Contractors
Range: Drilling Contractors
Reference: IADC

Name: Det Norske Veritas Management System Certificate
Range: Quality Management
Reference: DNV