Precision Castings Manufacturers

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Zhejiang Lizhi Metal Products Technology Co., Ltd.

About Us

Zhejiang Lizhi Metal Products Technology Co., Ltd. was established in 2003 and established a branch in Fujian in 2021: Fujian Zheli Alloy Casting Co., Ltd.

After more than 20 years of hard work, the company has strong technical strength and has established a production, learning and research integration with major domestic universities, forming its own product characteristics and technical advantages. The company mainly produces various precision castings and valve products such as valves, pumps, auto parts, marine parts, hardware and engineering machinery parts. The main materials are: austenitic stainless steel, carbon steel, duplex steel, nickel-based alloy, high silicon alloy, titanium alloy, etc. The annual output of various stainless steel castings is 8,000 tons (production capacity 12,000 tons/year). The company fully implements TUV: ISO9001-2015 and EU CE certification system management, and introduces 6S performance management lean production.

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Industry knowledge

Precision casting, also known as investment casting, is a manufacturing process used to produce complex metal components with high dimensional accuracy and good surface finish. The process involves creating a wax pattern, coating it with ceramic material to form a mold, and then melting out the wax before pouring molten metal into the cavity. After cooling and solidification, the ceramic shell is removed to reveal the finished part. Precision casting is suitable for a wide range of metals, including stainless steel, carbon steel, and alloys. It smalls machining needs and material waste while allowing the production of intricate shapes.

Applications of Precision Casting in Modern Metal Fabrication

Metal precision casting is a refined manufacturing process designed to produce metal components with detailed geometries and consistent dimensional accuracy. The technique is often referred to as investment casting and involves several key steps. one, a wax pattern is made to replicate the desired part. This pattern is then repeatedly coated with ceramic slurry to form a durable shell. After drying, the wax is removed by heating, leaving a hollow mold ready for metal pouring. Molten metal is introduced into the mold, allowed to cool, and then the ceramic shell is broken away to reveal the final casting.

This process supports the use of various metals such as carbon steel, alloy steel, copper, aluminum, and others. It is suitable for parts that require smooth surfaces, close tolerances, and complex internal features. Metal precision casting is used across multiple industries, including machinery, transportation, energy, and construction. Typical products include turbine blades, pump housings, valve bodies, and decorative fittings.

The main advantages of metal precision casting are reduced machining time, efficient material usage, and flexibility in design. It allows the production of both small and medium-sized parts that are difficult to achieve through traditional fabrication methods. By maintaining consistent process control and quality inspection, metal precision casting provides a reliable approach for creating durable and accurately shaped components that meet industrial performance standards.

Industrial Uses of Stainless Steel Precision Casting Technology

Stainless steel precision casting is a casting process used to manufacture detailed and corrosion-resistant metal parts. It follows the investment casting method, where a wax pattern is coated with ceramic material to create a mold. Once the wax is removed, molten stainless steel is poured into the mold to form the desired component. After solidification, the shell is removed, and the casting undergoes surface finishing and inspection.

This process offers the capability to produce components with complex shapes, smooth surfaces, and precise dimensions. Stainless steel, known for its resistance to rust, oxidation, and heat, makes the resulting castings suitable for demanding environments. The process is commonly used in industries such as marine engineering, food processing, medical equipment, chemical machinery, and construction.

Typical applications include impellers, valve bodies, pipe fittings, and machine parts. Stainless steel precision casting smalls the need for extensive machining while maintaining structural strength and aesthetic quality. Its efficiency in reproducing intricate designs and achieving uniform results makes it a practical choice for manufacturing high-quality stainless steel components that meet a variety of technical and functional requirements.