Hereby we would like to present our breif introduction to you, Wenzhou Longwan Precision Machine Factory which is located in Wenzhou City of P. R. China. is specialised in manufacturing various standard and nonstandard flange and pipe fittings made of stainless steel, carbon steel and other special steel. Our flange products are widely used in petroleum, chemical, foodstuff, construction, power station and relative industry fields. Because of the high quality, reasonable price and prompt service, our products are highly appreciated by the customers home and aboard. For the general products information, pls kindly contact us.