Ningbo Shuanghai Machinery Manufacturing Co., Ltd. is a modern precision manufacturing enterprise integrating R&D, production, and sales. Located at No. 37, Kexue Avenue, Ninghai County Science and Technology Industrial Park, Ningbo City, Zhejiang Province, the company boasts an excellent geographical location and convenient transportation. The factory covers an area of 36,000 square meters with a construction area of 32,000 square meters, equipped with advanced production facilities, comprehensive office amenities, and a superior working environment.

With over four decades of expertise in the mechanical manufacturing sector, the company has cultivated profound technical knowledge and extensive production experience. We boast a cohesive, efficient, and seasoned management team, along with a pool of skilled researchers, forming the core driving force behind our corporate growth. Leveraging robust technical capabilities and advanced production techniques, the company specializes in delivering diversified precision products and tailored solutions to meet customer needs.

Core Products and Services:

● Main Product Series: Investment Casting Precision Parts, Mechanical Components, Automotive Accessories, EGR Valves, Shaft Parts, Hardware Tools, Sewing Machine Components, Molds, etc.

● Core Production Capabilities:   As a professional precision casting manufacturer, the company possesses strong capabilities in casting R&D and manufacturing. It can produce precision castings in various materials such as carbon steel, alloy steel, ductile iron, gray iron, and stainless steel, with casting weights ranging from 2 grams to 5 kilograms and a minimum wall thickness of 1.5 millimeters. The annual casting production capacity reaches 600 tons. The company also has the capability for independent mold design and manufacturing, enabling rapid response to customized customer demands. It is equipped with a complete post-processing industrial chain, including: heat treatment workshop, machining center workshop, CNC lathe workshop, thread cutting machine workshop, and grinding workshop, ensuring stable product quality and reliable delivery.

Quality Management and Market Recognition:

The company strictly adheres to international quality standards and has obtained IATF 16949:2016 Quality Management System certification. From raw material procurement to finished product delivery, the entire process is intelligently managed using modern ERP, MES, WMS, and equipment connectivity systems, ensuring traceability and efficiency in production. Product manufacturing complies with various international standards, including American ASTM, Japanese JIS, and German DIN, delivering exceptional quality.

Our products are exported to numerous countries and regions worldwide, including the United States, Germany, the United Kingdom, France, Sweden, Japan, and more. With stable quality, superior service, and competitive delivery times, we have earned widespread trust and long-term support from customers both domestically and internationally. The company has become a preferred supplier or OEM partner for many internationally renowned enterprises, including:

MAHLE, BorgWarner, CROWN EQUIPMENT, Wolong ZF, Danaher, Cooper, Actuant, Brother, Yamato, China Standard Sewing Machine Company, etc., have seen continuous expansion in market share.

Business Philosophy and Development Model:

Ningbo Shuanghai Machinery Manufacturing Co., Ltd. adheres to the "integration of industry and trade" development strategy. It not only boasts a robust production base but also employs a highly skilled and experienced marketing team, enabling it to efficiently and flexibly meet the diverse needs of domestic and international clients.

Our guiding principle has always been: Quality First, Premium Service, Timely Delivery.

While focusing on the production of proprietary products, the company actively engages in various cooperative models such as processing trade and compensatory trade.