We are the biggest manufacturer for Welded diaphragm accumulator in China. We specialize in this field for several years. Accumulators from AOQI Accumulator be characterized by: 
1. All accumulator products using electron beam welding, 
2. Real - time imaging technique, 
3. Clean assembly 
4. The finite element Optimized design 
5. High performance 
6. Different oil - or gas - connections available 
7. Different Diaphragm - and Shell - material available 
8. Burst high pressure and high durability of dynamic stress 
9. Multilayer - diaphragms for Maintenance free applications 
The Company was committed to the research and manufacture of accumulators and related modules, product promotion, and related design and manufacturing systems engineering, technical advice and other services. Product quality and installation dimensions comply with appropriate industry standard in Europe and America. Many accumulators and hydraulic modules have been widely used in automobiles, engineering machinery, wind power, ships, iron and steel, metallurgy, coal mining, construction and other industrial areas. 
Current customers: Volvo, JCB, BYD, SANY, CAT etc.