Hangzhou HH Co., ltd is a larger enterprise which specially trailer parts products and south of hang zhou international airport covers an area of 36, 200 sq. M.. Integrating the European aesthetic guiding by the tenet of "technology for directing, quality for surviving, service for developing", enable the company rank the leading place among the domestic same line. Since the establishment in 1998, thecompany's products have been very popular in the market of Europe, u. S. A. The middle east and southeast Asia.