Beijing Xinglong Steel Co., Ltd. Weihong; galvanized steel, longitudinally welded: 4 points, 6 points, 1 inch, 1.2 inch, 1.5 inch, 2-inch, 2.5-inch, 3-inch, 4-inch, 5-inch, 6-inch, 8 Inch. Greenhouse pipe: 4 points, 6 points, 1 inch, 1.2 inch, 1.5 inch, 2-inch, 2.5-inch galvanized Rectangular Pipe: 10 * 10, 12 * 12, 13 * 13, 15 * 15, 16 * 16, 19 * 19, 20 * 20, 22 * ??22, 25 * 25, 30 * 30, 35 * 35, 38 * 38, 40 * 40, 45 * 45, 50 * 50, 60 * 60, 20 * 30, 30 * 40 30 * 50, 40 * 60, 20 * 40, 10 * 20, 25 * 50, 40 * 80, 100 * 40.25 * 40.30 * 60 ...... Over the years, the company of "high quality and efficient, compliance heavy reputation "business philosophy and services aim to provide our customers with quality products and services, get all the new and old customers the support and praise. I solemnly promise, in the same quality, to ensure the lowest price, the best service, highest credibility to thank friends for their support and love.