Profile: Zhangjiagang City Quanlong Machinery Co., Ltd. is engaged in the research and development of environment protection & energy-conservation building material machinery. We have 40 color coated steel machinery expends and senior professionals. Our product includes color mated steel forming machines, C-type & Z type steel forming machines, production lines of H type steel, beamless arched roof board forming machines and ODM equipment of special specification. Our products are used in building the steel structured large-scale warehouses, plants, supermarkets, shopping mails, trade markets, stadiums, holiday villages, sanatoriums, hotels, villas, residences, and in different kinds of green houses.