Our company is located in Zhoushan Island, Zhejiang Province, across with Haitian Buddhist Putuo Mountain and Sea, also close to Ningbo, Hangzhou and Shanghai, enjoying very convenient transportation. We are specialized in researching, designing and manufacturing high precise screws arbor, barrel, gray iron, SG iron, chair, food machinery, and other machinery assembly parts. We have passed ISO9001 and ISO2000 international quality system certifications. We adopt fine alloy steel 38CrMoAIA ...