We deal mostly in international business.We have wide range of products from the chemical line to the clothing line also electrical and other electronic products and computers.At R D EXCHANGE BUREAU LTD , if we do our job right, our greatest contribution to the good of society will come from our core business activities: lowering prices, expanding selection, driving convenience, driving frustration-free packaging, creating Kindle, innovating in web services, and other initiatives we'll work hard on in the future.