Description

Ningbo Shuanghai Machinery Manufacturing Co., Ltd. has a history of more than *0 years. We have advanced apparatus in quality measuring such as Three Coordinate Measuring Machine, and a complete processing line. The products include machinery parts, hardware tools, shafts, sewing machinery parts, auto parts, moulds, valves, etc. Ningbo Shuanghai Precision Casting Co., Ltd. produces various kinds of precision castings made of carbon steel, alloy steel, ductile cast iron, grey iron, stainless steel, etc. The maximum weight of the casting is 5kg, and the minimum is 2g with minimum wall thickness of 1.5mm. Our annual productive capability is ***0ton. We can develop independently according to the drawings and make moulds by ourselves. The company has the certifications of ISO ***1, ISO ****1 and TS****9. We also strictly comply with the standards of American ASTM, Japanese JIS, Germany DIN, etc.