Qualifications

• International Quality Systems Examination - ISO9001 Certificate 
• Science & Technology Ministry of China - "Advanced Technology by Enterprise" Assessment & Qualification

Patents

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