In August 2016, Ningbo double Sea Machinery Manufacturing Co., Ltd. was awarded the "2013-2015 annual model group" issued by the Ningbo Municipal People's government.

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The company produces series of mechanical parts, hardware tools, shaft series, sewing machine parts, auto parts, mold series, valve series and other products. At the same time in the production of precision casting products professional production enterprises, can produce all kinds of carbon steel, alloy steel, gray iron, ductile iron, stainless steel and other materials of the precision casting etc..

Address: Zhejiang. No. 37, science and technology Avenue, Ninghai science and Technology Industrial Park, Ningbo

Tel：86-574-59950718 Fax：86-574-65583308

E-Mail：songgy@shuanghai.com zhouk@shuanghai.com