Wenzhou Qiangyu Pipe Co., Ltd, founded in 1990,is a professional manufacturer of metal pipes and accessories made of stainless steel, carbon steel and alloy steel etc. Presently, its products are GB12459-90, GB/T13401 series, such as ASME/ANSI B16.9, B16.28 butt-welded seamless elbow, butt-welded differential diameter pipes, seamless 3-way pipes and 4-way pipes, MSSP-43(A type)overturned short joints and pipe caps etc, or made according to customers’ requirements and other standards. All products can be made of 321, 304, 304 L, 316, 316L, or other materials provided by users. To keep in pace with international market as soon as possible, the company has introduced ISO9001:2000 International Quality Management System completely and advanced producing equipments from foreign countries for once molding to guarantee stable and reliable product quality.