Wenzhou SGON valve Co., Ltd. is a manufacturing enterprise integrating research and development, production and management of flange fittings. Located in Longwan District, Wenzhou city, Zhejiang Province, it enjoys superior geographical location and convenient transportation.The company has complete equipment and advanced technology. It mainly produces flat welding flanges, butt welding flanges, welding neck flanges, socket welding flanges, ring type joint flanges, lap-joint flanges, threaded flanges, and large diameter flanges, pressure vessel flanges, tube sheet, flanging and various flange pipe fittings.We produce strictly in accordance with international standards such as ISO, ANSI, DIN, JIS, EN and GOST etc., and undertake the production of non-standard flanges according to customer special requirements. Our products are widely used in petroleum, chemical, metallurgy, electric power, environmental protection, construction and other industries, and are exported to many countries and regions.Adhering to the concept of 'customer first, integrity management', SGON provides customers with quality products and services with professional production technical force and reliable quality assurance system..SGON wholeheartedly welcome new and old customers, and is willing to cooperate loyally with you to create a better future.