SONGQIAO.SONGQIAO was established on November 10, 2003, with its registered location in Cixi City, Ningbo, Zhejiang Province. SONGQIAO has introduced over 300 advanced production facilities from both domestic and international sources. The company operates its own specialized automated processing and assembly lines, focusing on the professional production of hydraulic quick couplings, pneumatic quick couplings, pneumatic tube fittings, and related products. Equipped with a comprehensive range of testing facilities compliant with ISO 7241-2, SONGQIAO delivers high-performance products and serves as an OEM supplier for internationally renowned brands. SONGQIAO products are widely utilized across metallurgy, shipbuilding, military, firefighting, aviation, medical, power generation, petroleum, construction machinery, agricultural machinery, and other sectors. Key product lines include: hydraulic quick couplings, pneumatic quick couplings, pneumatic tube fittings, and refrigeration system test quick couplings.