Our crankshaft is regarded as the Shanghai famous brand. Normally we take two basic techniques, Precoated sand shell mold and green sand level molding .the crankshaft can reach the QT800 standard.

These years sand provide mating parts for SVW,GM and SAIC, which including VW EA211 EA111 engines, GM L850 C10 C13 engines,SAIC NSE,NLE engines. Sandman produce over 1 million prats per year.