Company News

Overseas buyers of construction machinery often encounter issues such as material inconsistency, internal defects, dimensional deviations, and rust caused by ocean transport when sourcing cast iron counterweights. These problems can lead to equipment imbalance, assembly failures, and after-sales disputes. Drawing on years of experience in the custom manufacturing and export of counterweights—serving markets in Europe, the Americas, Southeast Asia, and the Middle East—Zunhua Shengjian Fanrong Machinery Parts Co., Ltd. has compiled the following key acceptance criteria for export-grade counterweights to provide overseas buyers with a professional and practical reference for procurement.

Zunhua Shengjian Fanrong Machinery Parts Co., Ltd. has deep expertise in V-process casting. This article provides a detailed interpretation of the company's internal document, "SJFR-ZD-045: Raw and Auxiliary Material Standards." It covers the full range of specifications—including silica sand, EVA film, scrap steel, and coke—and outlines acceptance procedures to help trace the root causes of defects such as porosity and sand adhesion.

Zunhua Shengjian Prosperity Machinery Parts Co., Ltd. has seen steady growth in its export performance. As a specialized manufacturer and exporter of machinery parts, the company consistently secures global orders for its flagship product—counterweights—thanks to precision casting techniques, reliable quality, and broad equipment compatibility. These high-quality counterweights are exported to dozens of countries and regions across Southeast Asia, Europe, the Middle East, and Africa, serving sectors such as construction machinery, sanitation equipment, and agricultural machinery, while steadily building a strong reputation and securing a stable market share in the international counterweight market.

Zunhua Shengjian Fanrong Machinery Parts Co., Ltd. has long been deeply engaged in the counterweight industry, specializing in the R&D, casting, custom processing, and supporting services for various types of counterweights. Leveraging mature casting techniques and rigorous quality control systems, the company provides professional and reliable one-stop industrial counterweight solutions to clients both at home and abroad.

Leveraging mature composition control technology for gray cast iron, Zunhua Shengjian Prosperity Machinery Parts Co., Ltd. offers custom production of HT150 counterweights, HT200 general machinery parts, and HT250 heavy-duty machine tool housings. The manufacturing process strictly adheres to established compositional standards for each grade and incorporates a comprehensive control system covering melting, pouring, and impurity testing. Balancing molding efficiency for small castings with structural strength for heavy-duty components, the company’s products meet the procurement needs of diverse sectors, including construction machinery, mining equipment, and machine tool manufacturing.

Zunhua Shengjian Fanrong Machinery Parts Co., Ltd. specialize in HT150, HT200, and HT250 gray cast iron mechanical components. Leveraging a standardized control system for molten iron composition to precisely manage the smelting process, we supply cast iron parts with stable performance to the construction machinery and machine tool industries.