How a Nut is Made
Jun 07,2018

Captions of video for non-standard nut factory

Shanghai Jian & Mei Industry and Trade Co., Ltd. (Hereinafter referred to as JM) is well equipped with various multi-station nut cold heading machines and supporting multi-functional tapping machines imported from Taiwan. All the manufacturing processes are completed in the factory from drawing of raw material to delivery of finished products, except surface treatment process. JM can provide many kinds of standard and non-standard cold formed nuts, with the specification of M6-M30, 1/4-1”, Grade 4-12. We are also capable of providing various surface treatment processes, including white zinc plating, blue zinc plating, yellow zinc plating, black zinc plating, blackening phosphorating, nickel plating, hot dip galvanization, DacroMat, Magni and so on. We can process carbon steel, stainless steel, aluminum and copper. According to the drawings or samples provided by customers, we will choose the optimal and cost-effective design and processing combination with cold heading, hot heading, stamping and turning so as to reduce customer’s procurement costs. 

The factory has 2 mesh belt furnace heating lines, with which the heat treatment temperature and time can be rigidly controlled for products of different grades to effectively guarantee the quality of high-strength products. 

The production management of our company strictly complies with ISO9001:2008 system. All our products are subjected to strict test and inspection in each process by the workers periodically, starting from the raw materials delivered to the factory. They also conduct various tests and inspections at the JM quality center before shipment. We have a variety of advanced quality testing equipment, such as tensile testing machine, hardness tester, metallographic microscope, salt spray tester and go-no go gauges etc. Each batch of exported products are identified with a unique batch number in the Finished product testing report and steel mill raw material quality inspection report.

The products passing the final inspection can be transferred for packaging. We will choose the most suitable packaging materials according to the product shape before shipment.

Choose JM is equal to choose reassurance . Welcome to cooperate with JM..

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