swing check valve thread &socket weld connection

Changsong Industrial Equipment Shandong Ltd. specializes in the development, design,  production and manufacturing of industrial machinery, and has long-term service in the electric  power, steel, petroleum, chemical, large-scale equipment factories and other industries. Main  products: mechanical seals, hydraulic equipment, environmental protection equipment, steel continuous casting machine equipment manufacturing and repair, rotary joints, metal seals, rubber  seals, high and low voltage distribution cabinets, metal hoses, cable protection tubes, cables Joints,  bellows, compensators, etc., and undertake the installation and maintenance of metallurgical and  electrical machinery equipment. The company has always pursued laws and regulations as the  criterion to meet customer requirements for the purpose, relying on innovation to lead the market,  relying on integrity to win the market, relying on quality to stabilize the market, relying on  high-quality service as the guarantee, and insisting on the business tenet of "seeking development  through innovation", and continue to strengthen The company's scale and overall strength continue  to improve the management level, so that our company can reach new heights! The company's corporate culture and business philosophy: take quality and safety as the gene,  customer value as the orientation, and customer trust as the goal, and adopt various methods such  as emergency supply, on-site service, and joint ventures to meet customer needs in an all-round  way