Co-working Developing Co.,ltd

Co-working developing co.,ltd is the co-working group\'s subsidiary, specialize on manufacture steel pipeline in china.the tianjin office opened in 2007 as a representative office is today a fully operational company to suit the development of the international market.\n\nwe are an integrated enterprise which manufature steel pipe, flanges, pipefittings and other dozens of product. there are 5 cooperative factories belonging to us. at present, five factory involving regional respectively refers carbon steel pipe