Profile: Shandong Aleader Machinery Manufacturing Co.,Ltd is a manufacturer and exporter of investment castings. Our products include construction hardware, auto parts, pump & valve parts, impellers, marine hardware, and some other machinery parts in materials of stainless steel, carbon steel, alloy steel, & brass. We can supply castings in different conditions including heat-treated, precision-machined, and with some special surface treatments such as spray paint, electric or mirror-polish, satin, vibration grinding, galvanization, and nickel plating.