Shandong Jinlang Doors and Windows Engineering Co., LTD., founded in 2014, is located in Tianqiao District, Jinan City, Shandong Province, China, is a professional production of sun room profiles, door and window profiles, sun room insulation panels and other new building materials of large-scale comprehensive enterprises, which has two registered trademarks Jinlang, Blige. In China, there are Hebei, Shandong, Jiangsu, Guangdong, four major storage bases covering an area of more than 80,000 square meters. The company has 12 large-scale aluminum alloy profile extrusion production lines and 2 color powder coating production lines, with an annual production capacity of 50,000 tons. In the new century, in order to adapt to the ever-changing market demand and maximize the needs of the market and consumers, the company has introduced a number of world advanced production lines, production equipment and modern production processes from Japan, the United States, Taiwan, Europe and other developed industrial countries and regions. Especially in 2016, the company introduced a full set of British color coating production lines, which rapidly improved the quality of aluminum profile products and reached the international advanced level. Constantly innovate new materials for doors and Windows and sun rooms, constantly improve employees' innovation ability and practical ability, hire senior professional designers, standardize enterprise management, and strictly implement the national GB5237 quality standard. Through a series of efforts, so that our product quality has been effectively guaranteed, so that our sun room production more simple, more convenient installation, more advantageous price, by domestic and foreign users praise and trust.