it is Power battery box , It is used in hydrogen fuel cells, Good chemical corrosion resistance and oil resistance; Excellent high and low temperature resistance, excellent mechanical properties; 
Custom-made plastic part design ,mold building ,prototyping and production(medium or high-volume) . 
For customized products, it is recommended to provide 3D models (model formats such as:.stp,.xt,.step...). If there is no data, samples can be provided. We have a professional team to assist in product design.