Qualifications

• International Quality Systems Examination ¨C ISO9001 Certificate 
• Science & Technology Ministry of China ¨C ¡°Advanced Technology by Enterprise¡± Assessment & Qualification

Patents

• No. ZL94230220.6 ¨C Hollow Sucker Rod through pump
• No. ZL98240272.4 ¨C Hollow Sucker against blended sewage
• No. ZL98240272.5 ¨C Electric Heating by Water Injection unit
• No. ZL99225000.5 ¨C Ascending Chain Dregs Wiper
• No. ZL99225001.3 ¨C Pre-Disposal equipment for heavy oil sewage
• No. ZL99225002.1 ¨C Heavy Oil recovery equipment from heavy oil sewage
• Depth ¨C Disposal & Recovery technology of heavy oil sewage
• Heavy Oil De-oiler ¨C Bearing Sewage
• Dehydration Equipment for heavy oil sludge
• Disposal process of heavy oil sewage: Silicon remover equipment, Pre-coat Filtering Equipment, Softening Equipment