ABOUT SIMIS
Who We Are
Founded in 2004, Taiyuan SIMIS Investment Casting Co., Ltd. is a well-established metal casting foundry in China. We specialize in the production of high-quality components with intricate geometries and fine details across a wide range of sizes and weights. Over the past two decades, we have expanded our operations to meet the rigorous technical demands of the global market, maintaining a focus on precision and structural integrity in every part we produce.
Our company consists of eight casting foundry workshops, four machining facilities, and a dedicated sheet metal fabrication division. These workshops include specialized facilities for investment casting, shell mold casting, sand casting, lost foam casting, gravity die casting, and pressure die casting. Each facility is fully equipped with specialized machinery and operated by highly trained engineers.
These resources allow us to produce precision-engineered castings and fabricated structures using a diverse selection of both ferrous and non-ferrous materials, including carbon steel, alloy steel, stainless steel, cast iron, aluminum alloy, copper alloy, titanium alloy, and more. This extensive material capability enables us to provide bespoke solutions to customers in sectors such as oil and gas, railway, automotive, agriculture, industrial machinery, and marine.
Our in-house pre-casting and post-casting facilities include tool-making departments, CNC machining centers, heat treatment ovens, surface treatment stations, and a parts assembly workshop. By managing the entire production cycle internally—including sheet metal fabrication—we provide one-stop solutions that reduce lead times. Our technical team uses these resources to verify that every component meets specific dimensional and mechanical requirements before delivery.
At Simis, our expertise includes tooling design and manufacture, rapid prototyping, reverse engineering, and casting simulation. These production methods not only increase production efficiency but also reduce overall costs. We take pride in our long history of delivering quality in the field of customized metal casting and fabrication. With decades of experience, we have firmly established our position in the industry.
Certifications and Quality Assurance
SIMIS maintains several quality certifications and third-party verifications to demonstrate our technical capability and management standards. We are an assessed supplier on Alibaba, with our production facilities and business operations verified by TUV Rheinland. Additionally, our status as a supplier on Made-in-China is verified through independent audits conducted by SGS.
Our quality management system is certified to ISO 9001:2015, which provides a framework for consistent manufacturing and continuous improvement. We also maintain CE certification to satisfy safety and regulatory requirements for the international market. These credentials verify that our internal processes, from raw material sourcing to final inspection, meet rigorous global benchmarks.
Advanced Testing and Inspection Equipment
At SIMIS, we possess comprehensive testing and inspection capabilities. Our in-house facilities provide 100% inspection for every casting component before it leaves our factory. We conduct both destructive testing (DT) and non-destructive testing (NDT) to verify part integrity. This process includes visual inspection, dimensional measurement, chemical composition analysis, mechanical properties testing, and metallographic examination.
- Spectrometer
- Metallographic Microscope
- Roughness Tester
- Magnetic Particle Equipment
- X-ray Detection Equipment
- Rockwell Hardness Tester
- Universal Tensile Tester
- Penetrant Testing Equipment
- Impact Tester
- Coordinate Measuring Machine (CMM)
- Ultrasonic Detector
- Salt Spray Testing Machine
Robust Casting Capabilities
- Our investment casting process produces parts from 5 grams to 100 kg, achieving tolerances as tight as CT4 for important dimensions. We use both silica sol and rapid drying methods to balance material needs, surface finish, and cost. We cast various materials including carbon steel, alloy steel, stainless steel, aluminum, copper, titanium, and superalloy. These services suit custom OEM parts and complex, thin-walled designs of all sizes.
- Our sand casting foundry uses green sand and resin sand processes to cast steel and iron parts. Equipped with automatic molding and Disamatic lines, we produce parts from 0.2 kg to 5 tons. We select the specific technique based on your requirements for material, size, complexity, and cost. Our annual production exceeds 8,000 tons.
- Shell mold casting balances size, weight, surface finish, and cost as an alternative to investment or sand casting. Our facility produces steel and iron parts from 0.5 kg to 120 kg with tolerances of CT7 to CT10. We use automatic pattern-making, high-precision shell core machines, and a sand reclamation system. This process is ideal for medium-sized parts with complex internal features.
- SIMIS uses both gravity and pressure die casting to produce parts with precision and smooth surface finishes. Our gravity die casting handles parts from 20 grams to 40 kg, reaching 1,500 mm in diameter with CT6 to CT8 tolerances. Our high-pressure die casting produces parts up to 25 kg and 650 mm in diameter with tolerances as tight as CT2. We cast materials including aluminum, zinc, copper, and magnesium. We choose the optimal technique based on your specific material, structure, wall thickness, and cost requirements.
How We Manage Your Casting Project
Our casting services focus on efficiency and reliability from initial concept to final delivery. This nine-step process starts with identifying technical specifications and optimizing designs for manufacturing. We then produce precise tooling and samples for verification before beginning mass production. The workflow includes regular updates, secondary finishing operations, and rigorous quality inspection. Finally, we manage packaging and shipping logistics while providing technical support for every project.
Step 1: Understanding Your Requirements
To initiate your casting project, we begin with a concise technical consultation. During this phase, we collect and review your specific technical drawings, material grades, and tolerance requirements. We analyze the intended application of the component to identify the most effective casting method for your needs.
We also clarify secondary operation requirements, such as machining, surface treatments, and heat treatment, at this early stage. This step allows us to align our production capabilities with your project goals to provide an accurate quote and a clear manufacturing timeline for optimal casting outcomes.
Step 2: Design Review and Optimization (DFM)
Our engineers perform Design for Manufacturability (DFM) analysis to identify and resolve potential manufacturing challenges before production begins. This process optimizes your design for the casting process and helps prevent common defects.
For projects without existing digital models, we offer 3D reverse engineering as an option. We use high-precision 3D scanners to capture the geometry of physical parts, allowing us to create accurate digital blueprints for production or optimization.
We use casting simulation software to analyze factors such as shrinkage, porosity, distortion, and mold fill. By evaluating the thermal behavior and fluid dynamics of the metal, we can refine wall thicknesses, gating, risering, and part geometry. These technical adjustments simplify tooling design and provide a more stable foundation for mass production.
Step 3: Tooling and Mold Production
Our casting services include complete in-house tooling production. Based on the DFM approved design, we manufacture tooling using CNC machining and precision techniques to create accurate dies, molds, and core boxes.
For projects requiring faster turnaround or design validation, we offer rapid prototyping as an option. This allows us to produce functional parts using 3D-printed patterns or molds without the initial time and cost of hard tooling.
Our in-house approach provides full control over tooling quality, tolerances, and lead times. Whether using traditional tooling or rapid prototyping, these precise methods allow the casting process to replicate the intended part geometry and intricate details.
Step 4: Sample Production
Prior to mass production, we create sample castings to verify the tooling and maintain part integrity. These prototypes undergo inspection and testing to identify potential defects such as shrinkage or porosity.
We use these samples to confirm dimensional accuracy and validate material properties against your technical specifications. This phase allows us to adjust tooling or process parameters early, which reduces the need for rework and supports a stable production run.
Step 5: Sample Inspection and Approval
We then provide the sample castings for your review and approval. This step allows you to inspect the prototypes and confirm that they meet your specifications. We encourage a detailed examination of the samples for dimensional accuracy, surface finish, and other relevant characteristics. We also provide comprehensive inspection reports from our internal quality control department to support your evaluation.
Your feedback is a used to make any necessary adjustments to the tooling, the casting process, or the design itself. We proceed to mass production only after receiving your formal written approval. This process confirms that the final production run aligns with your project requirements.
Step 6: Mass Production and Progress Updates
Upon receiving your approval, we begin mass production using verified tooling and process parameters. We use automated and semi-automated systems to maintain consistency across large volumes of components while monitoring melting, pouring, and cooling cycles.
To maintain uniform quality, we perform periodic audits and real-time inspections if specifically required, including spectrometer analysis of metal chemistry and sand property checks. These variables are tracked to identify and correct deviations before they affect the final output. We provide regular progress updates to keep you informed of the manufacturing status and anticipated completion dates.
Step 7: Finishing and Secondary Options
As previously confirmed during the initial consultation, we perform finishing and secondary operations to provide a complete manufacturing solution. When these castings require secondary finishes, we execute heat treatments to improve mechanical properties such as strength and wear resistance.
We also apply surface treatments to enhance corrosion resistance and surface aesthetics. For components requiring tight tolerances or complex features, we use precision CNC machining. These operations address the specific manufacturing challenges identified at the start of the project to deliver a product that meets your final technical specifications.
Step 8: Quality Control and Inspection
Quality management is a standard practice throughout our ISO 9001 certified operations, covering every stage from raw material verification to final shipment. We perform in-process checks of mold integrity, pouring temperatures, and cooling rates to maintain consistency. Post-casting, we use calipers, micrometers, and Coordinate Measuring Machines (CMM) for dimensional inspections.
To identify flaws without damaging components, we use Non-Destructive Testing (NDT) such as visual inspection, DPI, MPI, X-ray, and Ultrasonic Testing. When required, we conduct material testing for tensile strength, hardness, and microstructural analysis. For pump and valve components, we use hydrostatic test benches to verify pressure containment, providing a documented record of quality for every batch.
Step 9: Delivery and Continued Support
As the final step, we package and ship your finished castings for safe, on-time arrival and product integration. We use customized packaging to protect components from transit damage and work with trusted carriers to offer various shipping options, including expedited services. Full documentation, such as packing lists, shipping details, and material certifications, is provided with every delivery.
Beyond delivery, we provide technical support and remain available to assist with current or future projects. This ongoing support is a standard part of our service to facilitate a seamless transition from our facility to your production line.
Our Vision
Our vision is to become a leading global partner in the casting industry, recognized for technical innovation and manufacturing excellence. We aim to set the standard for reliability and precision in every component by integrating advanced technologies and data-driven research. Our proactive approach provides a stable, predictable path from concept to finished product. Our long-term goal is to grow alongside our partners, continuously improving our methods to meet the evolving demands of the global manufacturing sector.
Our Mission
Our mission is to deliver high-quality, engineered casting solutions that meet the technical and commercial needs of our clients through design optimization and rigorous quality control. We prioritize problem solving by addressing manufacturing challenges early to prevent defects, reduce costs, and support project success. We focus on customer satisfaction and transparent communication, providing dependable results and stable production processes that align with your specific quality standards and timelines.
Meet Our Core Team Members
Angela Wang
Director & Senior Engineer
Profile
Angela Wang is the Company Director and a Senior Engineer with a BSc in Mechanical Engineering. She began as a CNC machinist in a tooling workshop before serving as Technical Director for an investment casting foundry.
In 2004, she established SIMIS, combining technical expertise with executive leadership. She uses her extensive knowledge of mold design and process optimization to lead complex casting projects from initial concept to mass production.
Key Responsibilities
Angela manages production and quality supervision to meet precise manufacturing standards for every project. She provides overall technical support for complex casting challenges, using her engineering background to solve design and tooling issues.
Additionally, she manages the company’s growth strategy, focusing on expanding technical capabilities and building long-term partnerships within the global casting industry.
Areas of Expertise
Angela has over 40 years of experience in metal casting and precision machining. She specializes in advanced tooling and machining fixture design, drawing on her practical background as a CNC machinist. She applies deep knowledge of metallurgy and casting system design.
Her technical focus on these precision elements allows for stable production processes and high-quality finished components across various casting methods.
Tim Wang
Project Director & Senior Engineer
Profile
Tim is the Project Director at SIMIS and holds a MSc in Mechanical Engineering from St. Petersburg University. He joined SIMIS in 2007 as a project manager and has successfully delivered over 300 major casting projects to global customers, particularly across European and Russian markets.
Tim possesses extensive technical knowledge in specialized industries such as automotive, railway, and the global energy sector.
Key Responsibilities
Tim manages production schedules and raw material procurement to maintain efficient manufacturing timelines. He leads customer relationship management for global clients across the European and Russian markets.
Additionally, he manages casting strategy to align project requirements with factory capabilities. His oversight allows for consistent project delivery and clear communication between the technical team and the customer.
Areas of Expertise
Tim uses casting simulation and structural analysis to predict metal flow and identify potential defects before production begins. He applies his knowledge of metallurgy to select the appropriate alloys for specific industrial applications.
These technical skills allow him to oversee the production of complex components that meet the rigorous standards of the automotive and energy sectors.
Anny Chen
Trading Director & Project Supervisor
Profile
Anny Chen serves as Trading Director and Project Supervisor, holding a BSc in both Quality Management and International Trading. Before joining SIMIS in 2015, she worked at a metal trading company in Shanxi.
Since joining, she has applied her expertise to manage customer requirements and production procedures effectively. Her work has expanded the company’s global reach, specifically within agricultural markets in South Africa, North America, and South America.
Key Responsibilities
Anny manages the international trading department, overseeing contract negotiations and ensuring all documentation meets global export standards.
As a Project Supervisor, she coordinates between the technical team and the client to maintain project timelines and resolve logistical challenges. She also manages the procurement and supply chain cycles to support the specific needs of the agricultural sector across different continents.
Areas of Expertise
Anny specializes in international trade compliance and supply chain management. She uses quality systems to meet customer requirements across various industrial applications.
Her expertise in global logistics supports project coordination. By managing these trading procedures, she maintains clear communication between the manufacturing team and a global client base.
Felix Fan
Quality Supervisor & Purchasing Manager
Profile
Felix Fan serves as Quality Supervisor and Purchasing Manager at SIMIS, holding a BSc in Manufacturing Engineering Technology. Since 2009, he has used deep material knowledge to oversee production standards and procurement.
Felix has managed safety-critical projects across various industries, maintaining strict adherence to technical specifications. His experience allows for the successful delivery of high-performance components globally.
Key Responsibilities
Felix manages the quality department and raw material procurement to maintain manufacturing standards. He oversees the preparation of quality reports for various projects and coordinates with suppliers to confirm material compliance.
Such oversight of procurement and quality maintains a steady supply of certified materials and monitors the production process to prevent defects.
Areas of Expertise
Felix specializes in material science and manufacturing engineering technology. He applies his knowledge of metal properties to select materials for demanding industrial applications.
His expertise includes non-destructive testing and process auditing for complex systems. These skills help him manage technical requirements and maintain the integrity of finished products.
Sibo Liu
Marketing Supervisor & Sales Manager
Profile
Sibo Liu is a Marketing Supervisor at SIMIS, holding a BSc in Computer Science and an MSc in Management. Since joining in 2024, he has applied his technical and managerial background to develop marketing strategies for the metal industry.
Sibo previously worked with a UK investment casting company and several media companies, managing international campaigns. His experience supports effective positioning of manufacturing services globally.
Key Responsibilities
Sibo supervises the marketing department, focusing on digital presence and lead generation for global casting projects. He coordinates with the technical team to translate manufacturing capabilities into clear materials for international clients.
He also oversees market research to identify marketing opportunities in the metal casting sector and develops communication strategies to reach new industrial partners.
Areas of Expertise
Sibo specializes in B2B marketing and strategic management within the manufacturing sector. He uses his computer science background to manage digital analytics and optimize online visibility.
His expertise includes market positioning for metal casting and managing client relations within the UK and European markets. These skills help him align production strengths with the specific needs of international buyers.
Steven Huang
Marketing Manager
Profile
Steve Huang is a Marketing Manager at SIMIS, holding a degree in Digital Marketing. Since joining in 2019, he has used his background with metal casting manufacturers and trading companies in Shanxi to increase online visibility.
Steve has managed numerous global exhibitions and identifies key market opportunities within the metal casting industry. His experience helps attract international buyers and strengthens the company’s position in the global manufacturing market.
Key Responsibilities
Steve manages digital marketing campaigns and organizes the company’s participation in international trade exhibitions. He coordinates with sales and technical teams to create content that highlights manufacturing processes for a global audience.
He also monitors online analytics to adjust marketing strategies and manages outreach to potential buyers within the industrial sector.
Areas of Expertise
Steve specializes in digital marketing and event management for the industrial sector. He uses combined knowledge of digital marketing and metal casting to position services effectively against regional competitors.
His expertise includes search engine optimization (SEO), social media management, and targeted advertisement for B2B platforms. These skills help build brand awareness and maintain a consistent pipeline of international inquiries.
Why Choose SIMIS?
Customization
We have a robust R&D team capable of developing and producing parts based on custom designs and technical drawings from customers.
Multiformity
We employ a wide range of metal casting processes to address diverse customer requirements across various industrial sectors.
Competitive Pricing
Automation throughout our production chain has significantly improved efficiency, resulting in cost savings and competitive pricing.
Quality Control
We use rigorous quality control to provide consistent high-quality castings that meet international industry standards.
Timeliness
We prevent order delays through effective management, ensuring on-time delivery crucial for our customers’ businesses.
Production Capacity
Annually, our combined production exceeds 10,000 tons of metal castings using various processes to serve global markets.
All-in-One Partner
Our end-to-end project support goes beyond just manufacturing, delivering precision and success from concept to completion.
Experience
Our team of engineers has over 4 decades of experience in precision casting to address tough casting challenges across numerous industry sectors.
Comprehensive Services
We offer in-house tooling design and manufacturing, casting, finishing, machining, and comprehensive testing for all metal components.