longfield ltd. is the representative office for one of the most dynamic china-based trading companies. longfield is part of the smerwick group of companies, which has grown to be a leading group in sourcing, manufacturing, exporting and supply chain in asia, with a worldwide network of subsidiaries and associate companies..fields of activity of longfield include: christmas decoration & lighting, gift & premium, home & decoration, bags & luggage, bathroom accessories, cables & accessories, home textile, and garment.