Zhejiang Wanqiang Flange Co., Ltd. is located at Longwan District of Wenzhou City. Our company is specializing in producing big scale and high grade flanges. We insist in the idea of "quality first and hardworking, creating famous brand, and making users use excellent products".Our company occupies an area of over 10,000 square meters with over 10 technicians and 2 personnel with senior technical titles. We have spectrum instruments, anti-pull tension test instruments and ultrasonic detection equipment. Besides we have passed ISO9001-2000 international quality system and our company is the Vice Chairman of Yongxing Chamber of Commerce, enjoying a good reputation. Our company specializes in producing various specifications of stainless steel flanges, valves and pipe fittings. We integrate smelting, forging and lathing. The main standards we are following are: national standard, Japanese standard, German standard, British standard and non-standard. The materials are: A105, 304, 321, 304L, 316, 316L, 2520, 904L, carbon steel, and heat-resistant steel. The size is from DN15 (1/2") to DN5000 (200").We always insist in the concept of "quality first, user upmost" and aim to achieve products' usability and reliability. We sincerely welcome domestic and foreign customers to do business with us, and we'll provide customers with our favorable price and excellent quality.