Sand Cast Parts  Manufacturers, Traders, Suppliers

DIN EN ISO 9001.

http://en.gsl-metallhandel.de/stahlguss/

Manufacturer of customized components for small to medium series made of metal and plastic.
Our focus is on the production of mechanical components, assemblies and housings made of metal andplastic, which are associated with high basic manufacturing costs and have a short to medium product life cycle.
German contractor with over 20 years of expertise in die casting and injection molding.
Since 2002, we have been supplying a wide variety of industries across the value chain. We manufacture components, assemblies and housings from die casting or injection molding in our own IATF-certified production facility in China, while particularlyquality-sensitive areas of the value chain are provided at German and European production sites.
Mechanicalmanufacturing services - everything from a single source
As a manufacturing service provider for industry, we can take over the coordination of your entire manufacturing project on request. Our expertise in various manufacturing processes enables us to coordinate different suppliers worldwide in an economically efficient manner.

The Schmiedeberger Foundry GmbH, Development partner and manufacturer for the innovative industry.
High flexibility, cost efficiency and a steady productivity are required in order to ensure a permanent market success. With this said, the Schmiedeberger Foundry is an interesting partner – from the phase of design to the reliable series production.
The combination of historically established expertise and state-of-the-art and efficient technologies and facilities is characteristic for our company. This basis enables us to offer you sophisticated individual solutions as well as the production of large quantities at favorable prices.
And we advise you regarding advanced materials, design of cast parts, surface finishing, test methods and much more so that you are able to make use of all possibilities of the casting technology already in the development phase.
Benefit from the experience of a long-standing, modern and committed foundry. We are looking forward to the cooperation with you – challenge us.

In our own foundry letters are cast, on request or for oversizes also cut out of brass, copper or aluminum. In addition, we can engrave according to your wishes and cast and process special designs (including three-dimensional).
Furthermore, we can produce all types of lettering in various cast aluminium and copper alloys, as well as also company signs and commemorative plaques in a wide variety of patina colours.

Founded in 2010, Henan Golden Sun Precision Casting Co., Ltd. is located in Advanced Manufacturing Development Zone, Yanjin County, Xinxiang City, Henan Province, covering an area of 50,000 square meters, with 200 employees and an annual production capacity of 30,000 tons. The company has two production bases, a provincial high-performance low-stress machine tool castings engineering technology research center, a municipal cast iron alloy engineering technology research center. The company is mainly engaged in the research and development, production and sales of cast iron parts for CNC machine tools, engineering machinery castings, rail transportation castings, industrial robot castings, compressor castings, mining machinery castings, pumps and valves.
The company understands the way of enterprise development, decades as one day, always plowing in the high-end casting segments, with practical action to practice: quality, reputation, innovation, symbiosis, win-win, co-prosperity of the core values of the enterprise. The company is the director unit of China Foundry Association, the rotating chairman unit of China Foundry Association, the director unit of Henan Foundry Association, the member unit of China Foundry Association Machine Tool Casting Branch, China Foundry Industry Education and Training Base, etc. The company has been awarded the "National High-tech Casting Award". Leading Enterprise", "Henan Province Foundry Specialized Leading Enterprise", "China Foundry Industry Thousand Key Backbone Enterprises", "National Science and Technology Small and Medium-sized Enterprises ", "Specialized, Specialized and New Small and Medium-sized Enterprises in Henan Province", "Advanced Enterprise of Green Development in Henan Province", "Demonstration Enterprise of Green Casting in Henan Province", "Henan Province casting and forging industry comprehensive strength of the top 50 enterprises" and many other honorary titles.
The company always adheres to the concept of: focusing on quality, providing customers with high-quality products; focusing on demand, building a comfortable experience for customers; focusing on value, creating value-added services for customers, and constantly carry out service innovation. According to the market and customer demand, the company has built a number of resin sand flexibilization production line, which can produce various grades of gray cast iron parts and ductile iron parts from 300KG to 6000KG, and the products are directly or indirectly exported to the United States, Japan, Germany, Britain, Canada, South Korea, Spain, etc., and have been used for the production of German Dermagit, GROB, Japanese Okuma, Mazak, Murata, South Korea Dean, South Korea Wia, U.S. GE, Saikawa, and other countries. Weiya, GE, Westinghouse Brake, and many other Fortune 500 companies, industry leaders, and domestic head enterprises in niche areas to provide customized products and services.
In order to meet the diversified and individualized needs of customers from different dimensions and realize one-stop purchasing for customers, the company has also built an organic processing workshop with more than 30 sets of processing and testing equipments, such as vertical machining centers, horizontal machining centers, gantry machining centers, CNC gantry milling machines, gantry planers, CNC boring machines, CNC lathes, vertical lathes, drilling machines, wire-cutting machines, large-scale three-coordinate measuring machines (1800x3000x1400mm), and so on. More than 30 sets of processing and testing equipment.
Golden Sun people always insist that quality is the lifeblood of the enterprise, and attach great importance to the construction of management system, which has passed ISO9001:2015 international quality system certification, ISO14001:2015 environmental management system certification, ISO45001:2018 occupational health and safety management system certification, and has passed the TPG certification of American Society for Quality for many consecutive years. In practice, the company has also established 838 quality control process standards from the procurement of raw and auxiliary materials, process development, ingredient production, to testing and processing, packaging and transportation, etc., and strives to leave no doubtful point that may cause quality defects. In order to improve the efficiency of R&D and ensure the world-class quality, the company has also introduced Anycasting software, Huacasting CAE simulation casting software, and LIMS laboratory information management system, which realizes the casting simulation and the tracking and management of the material composition in the whole process from the raw materials into the factory to the finished products out of the warehouse. The chemical analysis laboratory and physical properties testing laboratory established by the company have direct reading spectrometer, carbon and silicon analyzer, metallurgical microscope (inverted/portable), universal material testing machine, high-frequency infrared carbon and sulfur analyzer, nitrogen and oxygen analyzer, high-temperature analyzer for sand, 3D size laser scanner, low-temperature impact tester, nondestructive testing instrument such as ultrasonic, magnetic particle, coloring and so on, and pre-furnace/post-furnace physicochemical analyzer and other equipments.
Customer satisfaction comes from the insight of innovation, enterprise development comes from the pursuit of innovation, the company always takes innovation as the entry point to create value for customers. The company's SiC synthetic cast iron process; nitrogen, niobium micro-alloyed high-strength cast iron process; heat insulation riser process; green metal material molding process; casting ceramic pipe pouring process and liquid iron filtration technology; -50 ℃ low-temperature impact of ductile iron and other technologies and more than 30 patents owned by the company to form the company's core technology group, to ensure that the enterprise's leading edge in the industry competition. The company developed the "high carbon equivalent nitrogen-containing high-end CNC machine tools gray cast iron parts" by the authoritative experts, reached the international leading level, has a strong industry promotion value.
Manufacturing industry is the foundation of the country, the tool of the country, the foundation of a strong country. And the foundry industry is the foundation of the development of the manufacturing industry, is an important guarantee for the innovative development of high-end technology and equipment, the Golden Sun people will always adhere to the innovation for development, green to protect the development of the development of the platform to win the development of the concept, and is willing to collaborate with the eight guests to develop and create value!

SQM was founded in Shanghai in 2014 by Johnny Zhao. What began as a two-person startup has grown into a team of over 50 professionals, collaborating with +45 trusted suppliers across China. In 2024, SQM expanded into Europe with the establishment of SQM GmbH in Germany, strengthening our global presence.
We specialize in high-quality casting and forging components for industries such as agriculture, construction, truck & trailer, automotive, pump & valve, rail transportation, and energy. Our engineering and QC teams ensure technical excellence and strict quality compliance.
SQM is ISO 9001, TS16949, ISO 45001, and ISO 14001 certified, guaranteeing the highest quality, safety, and environmental standards. Trusted by over 130 manufacturers across Europe and North America, our turnover has grown from €17 million in 2023 to €21 million in 2024, reflecting our commitment to precision, reliability, and continuous growth.
Let’s build a long-term partnership—contact us to discuss your project needs today!