揚中市長豐儀表閥門廠

This enterprise is a designated company of China Petrochemical Corporation, specializing in the production of high and medium pressure instrument valves, high-pressure pipe fittings for engineering machinery, high-pressure pipe fittings for hydraulic machinery, three-valve manifolds, five-valve manifolds, and various automatic control pipeline connectors. The products come in diverse forms, feature novel structures, offer reliable connections, and possess excellent strength and sealing performance, making them capable of replacing similar imported products. They are widely used in automatic control pipeline systems across industries such as refining, chemicals, power, machinery, pharmaceuticals, and aviation. The company has established a quality management system in accordance with the GB/T19002-ISO9002 standard and ensures its effective operation. It has been certified by the National CQM Mark Certification Committee and has received titles such as National Second-Class Metrology Unit, Civilized Unit, and Star Enterprise. It has been consistently rated as a "Contract-Honoring and Credit-Worthy" unit for many years. The products are well-received and sold throughout the country and exported to over thirty countries and regions worldwide, earning high praise from domestic and international users. We sincerely welcome friends from home and abroad to visit and collaborate.