ZhuHai DaHang Intelligent Equipment Co., Ltd (short for Zhuhai Dahang) is located in Zhuhai, Guangdong and was established in 2005. It is one of the subsidiaries of Zhuhai KangDing Electronic Co., Ltd (stock code: 830928). The company is a national high-tech enterprise with multiple patents and software copyrights, offering a range of advanced products.
Zhuhai Dahang is a leading brand in online weighing solutions in China. The company focuses on the development, production, sales, and service of automatic checkweighers, weight sorters, target weight matching machines, metal detectors, and data management stations for over 12 years. To date, we have obtained 5 core software copyrights and 9 patented technologies. Our cutting-edge technology and extensive experience help customers achieve automated production and management, continuously providing effective solutions to reduce costs and enhance market competitiveness.
The stable and reliable weighing control system and high-quality hardware structure have earned the trust and praise of customers both domestically and internationally. In addition to collaborating with many well-known companies in the food & beverage, poultry & meat, seafood & fishery industries, we have also exported our products to countries such as Malaysia, Indonesia, Philippines, Kazakhstan, UAE, Saudi Arabia, America, Chile, Australia, and South Africa.
Regardless of which branch you belong to, our machines stand for 100% online weighing control in your production line.
Product Information:
Oyster Grader Machine / Seafood Grading Machine
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Technical Drawings:

Special Features:
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1. High precision and digital weighing sensor system
2. High-speed digital filter processing and automatic zero tracking function
3. Unique dynamic weighing anti-jamming technology
4. User-friendly operating system, easy to learn and operate, available in multiple languages
5. Data storage and output printing capabilities
6. Entirely stainless steel and waterproof structure
7. Rejecting/Sorting Type: Pusher, Lever/Flapper, Air Jet, Slide available for selection
8. Validated by practical market applications over 10 years with reliable and stable quality
9. With technical engineers available for overseas service
Remarks:
1. Weighing accuracy and speed depend on product shape and other conditions
2. Customized size and weighing capacity are accepted
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Description and Application Pictures from Customers:
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1. DaHang Series checkweighers and weight sorters can be integrated into various production/transportation lines and conveyor systems. The online weight sorter weighs each product individually and sorts them into preset weight grades.
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2. DaHang series weight sorting machines are divided into three sections: infeed and speed matching section, weighing section, grading/sorting section.
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DaHang Automation checkweighers and weight sorting machines efficiently save labor costs and improve product standardization. They are widely used in fruits and vegetables, seafood, fishery, poultry, pharmaceutical, daily necessities, logistics, chemical, and other industries.

Core Competitiveness:
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1. Leading brand in online checkweighing and sorting industry.
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Dahang automation equipment is used in many fields and has been validated by many leading enterprises. Dahang has the largest and most stable customer base in China, accounting for 80% of the Chinese market.
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2. Largest professional research center and production base.
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Zhuhai Dahang has the strongest R&D team in the domestic industry. Dahang is an SGS supplier and has passed SGS authentication, with a plant area of 3000 square meters.
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3. Technology leader in the industry. First in several technical indicators domestically.
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Zhuhai Dahang self-develops a unique dynamic weighing control system with high stability and practicability. The weighing sorting accuracy can reach ±0.05g, sorting speed can reach 200 times/min, and the top sorting rank can reach 16 levels. Technical indicators consistently lead in the domestic industry.
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4. Inventing Patents
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Dahang has 9 Technology Licensing Patents and 4 Computer Software Copyrights. Dahang invented the Seafood Weight Sorting Machine and Rotating Disc Weight Sorting Machine. Dahang is the inventor of a weigh sorting company featured in a CCTV10 scientific channel special report.
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5. Strong Scientific Research Support
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Zhuhai Dahang collaborates with 3 Chinese universities to ensure strong research support.
Factory Pictures:Â


Exhibition Shows:


FAQ:
1. How to install the new machine?
Our machines are designed for easy installation, and we provide a detailed operation manual and installation videos. If needed, we can send a technical engineer overseas, sharing the cost and fees with the customer.
2. How to solve problems during machine use?
We have a dedicated after-sales team ready to assist. Customers can describe the issue via email or phone. Sometimes, we need problem photos or videos for reference. Once identified, we will provide the best solution quickly. If needed, we can send the most experienced engineer to your factory to resolve the issue promptly.
3. Warranty period and spare parts supply?
We offer a one-year warranty and lifetime maintenance. Within the first year, if any part breaks due to no human error, we will replace it free of charge.
4. Do you offer OEM service?
Yes, OEM service is available. Our professional designers can bring your ideas to life. We protect your sales area, design concepts, and all private information.
5. Do your machines have invention patents?
Yes, we have 5 core software copyrights and 9 patented technologies.
6. How do your machines connect with computer, printer, scanner, or coding machine?
Connect through RS232 or RS485 ports, with compatible communication protocols to directly link with computers, printers, and scanners for data output.
7. What's the relationship between Zhuhai Dahang and Zhuhai KangDing?
Zhuhai Dahang is a subsidiary of Zhuhai KangDing Group, and we maintain strict quality control and service management.
Trade Terms:
MOQ: 1 set
Trade Terms: FOB, CIF, EXW
Payment Terms: T/T, 60% in advance, 40% balance before shipping
Delivery Time: Within 22~30 days after payment receipt
Packing: Professional export wooden case
Shipping: By sea delivery
Thank you for your attention to our oyster grader machine/seafood grading machine. Please feel free to leave your specific requirements, and we will customize the machine for you.
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