
J&J Mechanical Products Co.,Ltd is a Dalian-based foundry and machining supplier producing cast iron, cast steel, and precision machining parts, with strengths in green sand and shell mold casting.
J&J Mechanical Products Co.,Ltd is an ISO-certified foundry in Dalian, China, supplying cast iron and machining parts for a wide range of industrial applications. The company specializes in green sand casting and shell mold casting, delivering components from gray iron cylinder parts to ductile iron engineering undercarriage parts.
To provide a complete, one-stop solution, J&J expanded its capabilities to include machining and stamping services. Its machining workshop supports the production of diverse machined parts and value-added processing to meet customer requirements.
Quality assurance is embedded across the organization, with every employee responsible for continuous quality management. With a reputation built on dependable workmanship and consistent delivery, J&J supports international buyers seeking reliable casting and machining supply.

Began supplying shell mold castings and green sand castings.
Expanded services to provide a one-stop shop for casting, machining, and stamping.
Quality assurance is a shared responsibility across the organization, supporting consistent workmanship and stable product quality for casting and machining orders.
J&J supports customers with integrated casting and machining services designed to simplify sourcing and improve coordination from raw casting through finished parts.
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