Anyang Communications Technology Co., Ltd. is a greenhouse material, greenhouse accessories, greenhouse construction as one entity manufacturers, products in Henan, Hubei, Sichuan has shed construction base. Competitive products 12 m span no pillar greenhouses, much the market, product quality is better than the other two times, the price is not higher than that of other products and services over other brands. Installation is fast other match. Anyang Communications Technology Co., Ltd. is a simple agricultural greenhouses greenhouse construction equipment, materials research and development and sales of professional manufacturers. Hot galvanized square pipe greenhouse frame through the square and rectangular tube bending u-shaped machine shed precision machining. One-press radians, radians uniform, can effectively increase agricultural greenhouses skeleton force of wind and snow loads, the maximum span of 15 meters, the middle column-free agricultural greenhouses designed to increase the effective area under cultivation, improve improve plantation management requirements. The use of a single square and rectangular tube greenhouse frame, increase the translucent agricultural greenhouse plants, for an appropriate increase in the greenhouse effect temperature. Skeleton positioning accuracy, error 1cm, rod horizontal level, the error does not exceed 1cm, stand error 2cm, and the back wall welded to a solid, brushing rust.