Gold Bars and Silver Ingots | One stop Solution for Melting Gold+Ingot Standardization Factory

Trillion Blue Ocean and Standardization Upgrade in the Gold Investment Market

Yihui Casting has been deeply involved in the field of precision processing of precious metals for 23 years. Targeting the core needs of a team of 5-15 people and a 100-200 square meter small and medium-sized gold and silver ingot factory, we have created the first standardized, low loss, and high-precision gold and silver ingot production solution in China. The plan adopts fully automatic vacuum melting ingot technology to achieve full process automation production from raw material acceptance to finished product labeling; Equipped with high-precision detection equipment and fully enclosed melting system, the loss of precious metals is controlled within 0.1%; All equipment is designed modularly, without the need for large-scale factory renovation. The production line can be set up and put into operation in 7 days, helping small and medium-sized factories break through technical barriers and achieve standardized, large-scale, and high-quality production.

Core technical pain points in the gold bar and silver ingot production industry

As standardized investment products, gold bars and silver ingots have almost stringent requirements for weight accuracy, surface quality, and uniformity of color. Traditional processes have technical bottlenecks that cannot be overcome in the following core areas, which are also common problems in the industry for a long time:

1. Weight accuracy does not meet the standard and faces the risk of huge compensation

The traditional manual casting process has a common weight error, and exceeding the weight limit not only causes direct economic losses, but also faces risks such as customer complaints, bank rejection, regulatory penalties, and even revocation of business qualifications in severe cases.

2. Surface quality of the ingot is poor and cannot meet the demands of the high-end market

Traditional open melting results in defects such as pores, sand holes, and shrinkage caused by high-temperature oxidation of gold, with a surface qualification rate of less than 70%; Unable to meet the mirror level surface requirements for investment gold bars.

3. Uneven color, affecting product reputation

Traditional smelting and mixing are uneven, resulting in uneven distribution of color inside the gold bars. In the long run, it will seriously affect the brand reputation and customer loyalty of the factory, making it difficult to accumulate long-term cooperative customers.

4. Poor consistency in mass production, unable to undertake large-scale orders

Traditional craftsmanship relies on manual operation, resulting in significant differences in product quality between different batches and workers, high labor costs, high mobility, and limited capacity expansion.

5. High loss of precious metals severely compresses profit margins

According to the "2025 China Gold Processing Industry Report" by the China Gold Association, the average comprehensive loss of traditional processes in small and medium-sized gold bar factories is 0.9%, of which smelting volatilization loss accounts for 40%, casting loss accounts for 25%, polishing loss accounts for 20%, and reheating loss accounts for 15%.

Yihui Solution Positioning and Whole Process Standardization Logic

Positioning Strategy

Specially designed for teams of 5-15 people and small to medium-sized gold bar and silver ingot factories of 100-200 square meters, it is the first integrated solution in China to achieve standardization of the entire process from raw material acceptance to finished product labeling and national standard quality. The scheme adopts fully automatic vacuum melting ingot technology, which can produce various products such as investment gold bars, silver ingots, gift gold and silver bars, etc; Equipped with high-precision detection equipment and fully enclosed production systems, achieving low loss, high-precision, and large-scale continuous production; No need for professional technicians, one click operation after parameter preset, greatly reducing dependence on manual labor.

Whole process closed-loop logic

This plan is divided into two core modules: the standardized production process of gold bars and silver ingots and the technology empowerment process, forming a complete standardized closed loop from raw materials to finished products, ensuring that the quality of each gold bar and silver ingot is completely consistent.

Standardized production process of gold foil and silver foil (high precision+low loss+continuous control)

Factory exclusive core equipment and supporting consumables system

All equipment in this plan is directly supplied by Yihui factory, customized and developed for the high-precision, low loss, and standardized characteristics of gold and silver ingot production. The core components adopt imported configurations such as Siemens servo motors and Pufa vacuum pumps to ensure the stability and accuracy of the equipment; Supporting exclusive consumables and tools to form a complete production loop, without the need for scattered procurement of additional equipment.

Core main equipment

ingot casting machine

Corresponding process step: ingot casting

Industry exclusive value: Fully automatic vacuum casting for investment gold bars/silver ingots, vacuum melting without oxidation, completely solving problems such as porosity, sand holes, and shrinkage; The precision of quantitative casting reaches ± 0.01g, fully meeting the requirements of GB/T 26021-2010 national standard; The surface of the ingot is mirror free and does not require manual secondary polishing.

Bead spreader

Corresponding process step: melting

Industry exclusive value: High vacuum oxygen free melting, precious metal volatilization loss ≤ 0.05%; Electromagnetic stirring ensures uniform alloy composition and color deviation ≤ 0.1 ‰; Continuous melting design, supporting 24-hour uninterrupted production, significantly increasing production capacity.

Fully automatic polishing machine

Corresponding process step: surface treatment

Industry exclusive value: Fully automatic mirror polishing on the surface of gold bars/silver ingots, nanometer level smoothness, strong batch consistency; No manual operation is required to avoid scratches and color differences caused by manual polishing; Polishing loss is ≤ 0.02%, much lower than the 0.2% of manual polishing.

Gold bar specific precision tablet press

Corresponding process: Production of gift gold bars

Industry exclusive value: precision rolled gift gold bars and thin sheet gold bars with uniform thickness and tolerance of ± 0.005mm; adapted to the production needs of different specifications of gift gold bars and expanded product categories.

Supporting auxiliary equipment

Precious metal analyzer

Core function: Testing the color of raw materials and finished products

Industry exclusive value: precise detection of gold/silver purity, with an accuracy of ppm level, controlling the purity of raw materials and finished products, fully meeting the national standard requirements for investment gold bars; Establish a color inspection system for raw material storage and finished product storage to eliminate quality disputes.

Ultrasonic cleaning

Core function: Finished product cleaning

Industry exclusive value: deep cleaning of gold bars/silver ingots for oil, dirt, and fingerprint removal, improving surface smoothness, and adapting to pre-treatment of finished product packaging; The cleaning solution is reusable and equipped with a precious metal recovery filter to recover trace amounts of gold from the cleaning solution.

Industrial Water Chiller

Core function: Equipment cooling

Industry exclusive value: precise temperature control and cooling of melting furnaces and ingot casting machines, stable equipment operation, and improved consistency in ingot weight and color.

Laser Marking Machine

Core function: Marking of finished products

Industry exclusive value: automatic laser marking of gold/silver ingot logos, weight, color, and numbering, high precision and anti-counterfeiting, suitable for standardized mass production; The unique number enables full lifecycle traceability of the product, meeting banking regulatory requirements.

Core Technologies and Business Value of the Implementation Plan

This plan comprehensively solves the industry pain points in the production of gold bars and silver ingots from six dimensions: weight accuracy, surface quality, color uniformity, production efficiency, precious metal loss, and mass production consistency. All technical indicators have been verified by Yihui Laboratory and 60+customer factories.

Core business value (validation of production ratio, divided into two mainstream business models)

Unified data benchmark for 2026:

• Comprehensive gold price: 575 yuan/gram (Shanghai Gold Exchange's weighted average price of Au9999 from January to June 2026 is 576.3 yuan/gram, rounded up with the annual forecast average price)

• Comprehensive silver price: 7.6 yuan/gram (Shanghai Gold Exchange weighted average price of Ag9999 from January to June 2026 is 7.58 yuan/gram, rounded up)

• Labor cost: The average monthly salary for workers in precious metal processing plants in Panyu, Guangzhou is 7500 yuan per person

• Processing fees: The average processing fee for gold investment bars is 2.5 yuan/gram, and the average processing fee for silver ingots is 0.3 yuan/gram

Mode 1: Contract manufacturing mode (mainstream mode for small and medium-sized factories, without bearing the risk of raw material prices)

Benchmark calculation: Standard gold bar factory (10 person team, 150 ㎡ factory building, monthly processing of 1000kg full gold 9999 investment gold bars, losses borne by the factory)

Mode 2: Self operated mode (selling under its own brand, bearing the risk of raw material prices)

Benchmark calculation: Standard gold bar factory (10 person team, 150 ㎡ factory building, monthly production of 1000kg full gold 9999 investment gold bars, selling price=gold price+2.5 yuan/gram processing fee)

Core business conclusion

1. Loss control is the core source of profit: Under the traditional outsourcing processing mode, small and medium-sized gold bar factories generally suffer losses due to excessive losses. Yihui's plan reduces the comprehensive loss from 0.9% to 0.08%, and based on the monthly outsourcing processing of 1000kg of gold, it saves 4.715 million yuan in loss compensation per month, directly achieving a turnaround from losses to profits.

2. Significant reduction in labor costs: Fully automated production reduces labor demand by 30%, saving a monthly labor cost of 22500 yuan, while reducing reliance on skilled workers and solving the problem of high personnel turnover.

3. Enhanced product premium capability: National standard quality products can enter high-end channels such as banks and large gold shops, with processing fees 0.5-1 yuan/gram higher than ordinary products, further increasing profit margins.

4. The ability to undertake orders has been greatly improved: 24-hour continuous production has increased production capacity by more than 11 times, and can undertake large quantities of orders during holidays, seizing market dividends.

Practical examples of benchmark factories

Core pain points before cooperation

1. Traditional manual casting, with a weight error of ± 0.15g, results in a monthly loss of 11.2kg of gold due to excessive weight and losses, valued at 644000 yuan;

2. The surface porosity and sand hole rate are as high as 38%, and the finished product qualification rate is only 62%. A large number of products are remelted and the production cycle is as long as 7 days;

3. Uneven color, unable to pass bank inspection, can only undertake low profit orders from small gold shops, with a processing fee of only 1.8 yuan/gram;

4. High dependence on manual labor, with a per capita daily production of only 3.8kg, unable to undertake orders of over 100kg;

5. Losing money for six consecutive months and on the brink of bankruptcy.

Solution Application

Adopting the standard configuration plan of Yihui Gold Bar and Silver Ingot Standardization Factory (528000 yuan), the core implementation content is as follows:

1. Core equipment: 10kg fully automatic vacuum melting ingot casting machine+20kg high vacuum medium frequency melting furnace+fully automatic polishing machine for gold bar surface+fully automatic laser marking machine;

2. Auxiliary equipment: high-precision direct reading spectrometer+one millionth electronic balance+multi slot ultrasonic cleaning machine+programmable chiller+integrated waste gas treatment equipment;

3. Exclusive consumables and tools: complete set of gold bar production consumables, measuring tool set, finished product processing tool set, safety protection tool set;

4. Technical Empowerment Services: Free 180 ㎡ factory standardized flow line planning, on-site equipment installation, debugging and precision calibration, 7-day one-on-one gold bar production process training, special training on loss control, and guidance on quality control system construction.

Cooperation landing results

1. The weight accuracy has been improved to ± 0.007g, fully meeting the requirements of the national standard and completely eliminating losses caused by exceeding the weight limit;

2. The surface qualification rate has been increased to 99.9%, without the need for reheating and recasting, and the production cycle has been shortened to 1 day;

3. The color deviation is controlled within 0.07 ‰, and it has successfully passed the supplier certification of a state-owned bank. The processing fee has been increased to 2.8 yuan/gram;

4. The per capita daily output has increased to 53kg, with a 13 fold increase in production capacity, capable of handling large orders of 500kg per day;

5. The comprehensive loss decreased from 1.1% to 0.07%, saving 662400 yuan in loss costs per month;

6. On the 17th day of production, all 528000 yuan of equipment investment was recovered, and a profit of 1.32 million yuan was achieved in the second month, becoming a well-known standardized gold bar processing factory in the Pearl River Delta region.

Exclusive full process training and service guarantee system for gold bars and silver ingots

In response to the high precision requirements, loss sensitivity, and strict quality standards in the gold and silver ingot production industry, Yihui Casting has created a four in one exclusive training and service guarantee system of "equipment+process+quality control+compliance", accompanying the factory throughout the entire process to solve various technical problems in the production process, ensuring stable operation of the production line and product quality standards.

Please contact us to provide a one-stop solution for your gold bars and silver ingots | melting gold+ingot standardization factory

Yihui Casting fully adapts to the needs of various gold and silver smelting and casting factories, whether it is building standardized gold and silver smelting and casting factories, upgrading and expanding production capacity of old workshops, or building an internal closed-loop gold and silver ingot processing production line, we can tailor exclusive implementation plans based on customer site conditions, production scale, and local compliance standards. To ensure the efficient implementation of the project and avoid detours, we provide supporting services such as on-site survey, precise factory budget calculation, and visits to sample production plants. Our professional engineering team provides one-on-one online communication and Q&A throughout the process, accurately avoiding hidden dangers and trial production risks, and greatly shortening the preparation period for factory construction.

In response to the standardized melting and casting production scenarios of gold bars and silver ingots, the brand relies on mature melting and refining, precision casting core processes that have been deeply rooted in the industry for many years, and is equipped with a complete set of standardized environmental protection treatment systems to effectively solve industry pain points such as excessive pollution caused by traditional melting and casting processes, uneven finished products, high metal loss, and unstable production capacity. The entire production system strictly complies with industry standards and environmental inspection requirements in various regions, achieving standardized and regulated operations throughout the entire process of melting, purification, casting, and forming, effectively reducing trial production losses and long-term operating costs, and ensuring compliance, efficiency, stability, and continuous production in the factory area.

With solid technical accumulation and rich experience in engineering project implementation, Yihui Casting has a complete factory engineering delivery capability and a perfect after-sales guarantee system. We always adhere to the core concepts of standardized production, green development, and efficient and stable production, and create a modern gold and silver ingot melting and casting production base with high recovery rate, low energy consumption, full compliance, and easy operation and maintenance for our customers. We help enterprises reduce costs and increase efficiency, enhance core competitiveness, and work together with industry partners to build a new pattern of green, low-carbon, circular and sustainable precious metal processing industry.

For more information about Yihui Casting Technology Co., Ltd., please visit our official website or contact our team.

website: www.yihuicasting.com      email : info@yihuicasting.com     whatsapp : +86-13802830498