I take your information in Gasgoo, please i need to know if is possible a catalogue i pdf or in Excel for all your air brake valves and parts, my company for many years import this products in China and now i have a parnert and office in Nigbo my parnert is Miss Eva Yang, i know many companies make air brake parts, for me is very important the quality and the packing boxes is very important a box of brand and design, this will give more seriousness and more plus for sales.