Binzhou Zhengdao Mechanical Manufacturing Co.,Ltd

Binzhou Zhengdao Mechanical Manufacturing Co.,Ltd (BZD) was established in 2006 and mainly produces piston salt core and ring carrier. Its products include piston salt cores, irregular-shaped salt cores, ceramic salt cores, and casting items such as ductile iron and stainless steel castings, as well as high-nickel wear-resistant ring carriers and welded ring carriers. Manufacturing covers salt core production using salt (NaCl) with additives, machining and turning for ring carrier and salt core, and casting processes including centrifugal casting, investment casting wax-type equipment, and related surface treatment such as shot blasting. The company has passed audits and certifications including ISO 14001 and ISO/TS 16949, and it also passed China’s Safety Production Standardization audit. Its products serve internal combustion engine piston manufacturers and are used across industries including diesel engines, compressors, hydraulic presses, and applications for stainless steel castings in fields such as medical equipment, shipbuilding, mining equipment, food and packaging machinery, defense equipment, transportation, and aerospace.

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