Jiangsu Sanming Heavy Industry is a professional designer and manufacturer of various couplings and a specialist producer of transmission foundation components. The company is located in a city so beautiful it makes people envy—Zhenjiang, Jiangsu Province.Our main products include universal joints, diaphragm joints, ball jointed shaft couplings, slider shaft couplings, star shaft couplings, torque limiters, drum gear shaft couplings,梅花 jointed shaft couplings, precision universal joints, tire shaft couplings, safety shaft couplings, roller chain shaft couplings, helical spring shaft couplings, elastic pin shaft couplings, rigid shaft couplings, flange shaft couplings, and flexible shaft couplings, among others. We offer dozens of series and thousands of specifications of shaft couplings, widely used in various industries such as metallurgy, steel mills, mining, lifting and transportation, petrochemicals, papermaking, printing, textiles, locomotives, pipe welding ...