Zhang Qiu City Kaixiang Manufacturing Co.,Ltd. is established in 2000, located in Jinan-Shandong provincial capital. It is a professional company specializing in manufacturing and selling pipe fittings in China. With more than ten years of efforts we have expanded our business scope impressively, our annual output is more than finished flanges 5000 tons and 2000 tons pipe fitting. We main produce welding neck flange, slip on flange, lap joint flange, blind flange, material is carbon steel, stainless steel and alloy steel; concentric reducer, elbow, tee fitting and other pipe fitting in line with KS B 1522/1541/1543，JIS B 2311/2312/2313，ANSI B16.9， DIN 2605，size is DN15-DN1000 and so on. Our company combines the collection research and development, manufacture and sale in one, has strong professional technical team, advanced quality test equipment and perfect management system as well as high-quality forging, machine-processing, test and packing production lines. We have obt