Over 10,000+ customers' choice, Focus on screening industry 40+ years
Powdered sugar, flour, starch, milk powder, seasoning powders – these food powders present highly similar challenges at the feeding stage, yet they have long troubled production managers:
Pain Point 1: Dust emission – workshop environment fails to meet standards. Food powder particles are fine and lightweight – the moment a bag is opened and tipped, large quantities of fine powder disperse with air currents throughout the workshop. Dust not only settles on equipment surfaces, increasing cleaning burdens, but can also migrate to other clean areas. For food manufacturers seeking GMP certification, inadequate dust control is often a "deduction point" during audits.
Pain Point 2: Cross‑contamination – high risks during multi‑product changeovers. Bakery and seasoning producers typically handle multiple product varieties – powdered sugar, starch, seasoning powders, milk powder, and more – with frequent changeovers between different materials. In open feeding methods, residue from the previous batch may contaminate the next batch, and different powders may also "cross‑flavour" each other through dust dispersion – directly affecting product flavour consistency.
Pain Point 3: Low manual efficiency – constraining large‑scale production. Manual handling, bag opening, and feeding are not only limited in efficiency but also physically demanding. In large‑scale production, the feeding stage often becomes a bottleneck for the entire production line, constraining capacity release.
Gaofu's food powder dust‑free feeding station has been designed from the ground up to meet GMP (Good Manufacturing Practice) standards – with systematic design in materials, structure, and sealing.
304/316L food‑grade stainless steel construction – eliminating contamination at the source. All material‑contact parts are made of 304 or 316L food‑grade stainless steel. 304 stainless steel offers excellent corrosion resistance and oxidation resistance – capable of withstanding attack from salts, acidic components, and moisture in food powders – ensuring no heavy metal contamination and no rust particle contamination during feeding. 316L stainless steel – with its added molybdenum content – offers even better corrosion resistance, making it suitable for production scenarios with higher hygiene requirements.
Mirror‑polished surfaces with no dead corners – leaving no room for bacterial growth. Internal and external surfaces are finely mirror‑polished to a sanitary‑grade finish. All welds are finely ground – no recesses, no gaps for material to hide. All equipment corners feature rounded transition design – replacing right‑angle designs – preventing food powder accumulation. The entire machine design has no hygiene dead corners – thoroughly eliminating food safety risks from equipment contamination.
Fully enclosed structure with food‑grade seals. The equipment features a fully enclosed structure – achieving full sealing from the feed inlet to the discharge outlet. All connections use food‑grade seals – ensuring the airtightness of the entire feeding system. The entire machine design complies with GMP standards – making it an ideal choice for bakery chains and food processing enterprises.
The dust control capability of Gaofu's GMP‑standard food powder dust‑free feeding station comes from its systematic "enclosed + negative pressure + filtration" design:
Fully enclosed operation – physically isolating dust. Operators complete bag opening and feeding inside an enclosed operating cabinet, with the external area physically isolated from the feeding process. Material remains in an enclosed environment from bag opening to feeding – fine powder cannot escape through equipment gaps.
Negative‑pressure dust collection – actively capturing dust. The feeding platform maintains a micro‑negative pressure during operation. The dust collection fan prevents material dust from dispersing during bag opening. This active collection method is more effective than simply relying on an enclosed structure – as soon as dust is generated, it is captured and processed, with no opportunity to disperse. Dust collection efficiency reaches 99.9% , with dust concentration controlled to ≤0.1 mg/m³ – complying with GMP, FDA, and other stringent standards.
High‑efficiency filtration – achieving air‑dust separation. Dust‑laden air enters the filtration system, where high‑efficiency filter elements capture dust particles. Clean air is exhausted, while dust is retained on the filter surfaces and eventually falls back into the hopper for recovery. Collected dust is 100% returned to the hopper, with material loss ≤0.5%.
Fully enclosed pipe conveying – eliminating secondary contamination. After feeding is completed, material can be directly conveyed through enclosed piping to the next process – completely isolated from the external environment – without manual handling, eliminating material exposure and cross‑contamination risks during transfer.
The automation capability of Gaofu's GMP‑standard food powder dust‑free feeding station transforms the feeding stage from "manual labour" to "equipment operation":
Significantly improved feeding efficiency. The equipment achieves feeding rates of 500‑2,000 bags per hour – 3‑5 times faster than traditional manual feeding. For large‑scale bakery and seasoning producers, this means the feeding stage no longer bottlenecks the entire production line.
Effective labour cost reduction. Automated feeding and intelligent controls reduce manual handling, cutting labour costs by over 60% . Operators no longer need to work in dusty, physically demanding conditions – labour intensity is significantly reduced and the working experience is improved.
PLC intelligent control – precise and reliable. The equipment is equipped with a PLC intelligent control system supporting one‑touch start/stop, feed rate monitoring, and automatic filter cleaning. The system can automatically run according to preset recipes – reducing quality risks from human operational errors.
Seamless full‑process automation. The station can be seamlessly integrated with positive‑/negative‑pressure conveying systems – achieving fully enclosed, automated operation from feeding to conveying.
Bakery and seasoning production place special demands on feeding equipment – Gaofu's GMP‑standard food powder dust‑free feeding station fully considers these requirements in its design:
Suitable for small‑bag feeding. The equipment is suitable for bag opening, feeding, screening, and discharging of small‑bag materials in the food, pharmaceutical, and chemical industries – particularly suitable for manual powder feeding and pre‑screening. Whether 25kg flour bags or 20kg powdered sugar bags – feeding operations are completed efficiently.
Built‑in screening module – feeding and impurity removal in one step. The equipment integrates a vibrating screening module – as material is fed, it passes through the screen to intercept lumps and foreign matter, ensuring that material entering the next process is fine and pure. This "feeding‑and‑screening‑in‑one" design ensures material purity at the source.
Easy‑clean design – adapting to multi‑product changeovers. The equipment is designed to hygienic standards – easy to clean, residue‑free. The quick‑release structure allows components to be quickly removed and installed – after cleaning, the equipment can be rapidly returned to operation, shortening changeover downtime.
Food Industry Client Testimonials
Nestlé, CP Group, Haitian Flavour & Fragrance, Yihai Kerry, Yili, Mengniu,Shuanghui, Wahaha, Master Kong, Want Want, Anjoy Foods, Angel Yeast,Yangyuan Foods, Uni-President Enterprises, Qiaqia Food, Luhua Group,Alpenliebe, Golden Monkey, Orion, Xizhilang,Sanquan Foods, Synear Food, Oishi, Wong Lo Kat, Yanjing Beer, Seamild,Jinpai, Chubang, Hengshun Vinegar Industry, Longda Group, Beijing Daoxiangcun, Anhe Dairy,Weiwei Group, Xiangpiaopiao, Maiquer, Tianbing, Binqi Food, Ligao Okun
Fortune 500 Client Testimonials
CNPC、CSCEC、Sinochem Holdings、CRCC、China Minmetals Corporation、CNOOC、CR、Sinopharm、CHN Energy、COFCO Corporation、Huawei Technologies、PowerChina、CITIC Group、Wuchan Zhongda Group、NORINCO、Chalco、CNBM、 Shaanxi Coal and Chemical Industry Group、Ansteel Group、CETC、CSSC、CASC、CEC、Jinchuan Group、CASIC、Conch Cement、CNNC、SPH、Shanxi Coking Coal Group、 Zhongtai Chemical、GPHL、DEC、Sinosteel Corporation、MCC、China National Salt Industry Chemical、China Baowu Steel Group、China Animal Husbandry Industry Co., Ltd.、CECEP
About Gaofu
Xinxiang Gaofu Machinery Co., Ltd. was founded back in the 1980s. With over 40 years of development, it has been certified as a National-level Specialized, Refined, Unique & Innovative Little Giant Enterprise, National Green Factory, National High-tech Enterprise, and National Intellectual Property Advantage Enterprise, and serves as the President Unit of China Vibration Screening Industry Association.
The company is accredited with the Henan Provincial Industrial Design Center, Henan Provincial Engineering Technology Research Center for Intelligent On-line Screening System, and Xinxiang Municipal Engineering Technology Research Center for Fine Screening.
Gaofu has obtained more than 500 patents including invention patents, utility model patents and design patents, been awarded the Science and Technology Achievement Prize issued by the Ministry of Industry and Information Technology of China, and participated in drafting and formulating 4 national standards.
Gaofu's product portfolio covers multiple series and hundreds of specifications, including vibrating screening equipment, conveying equipment, coal crushing equipment, filtration equipment and automatic material handling systems.
Core products include vibrating screens, screening machines, vibratory sifters, rotary vibrating screens, ultrasonic vibrating screens, linear vibrating screens, airflow screens, gyratory screens, roller screens, dewatering screens, bar screens, vacuum feeding machines, dust-free feeding stations, bulk bag feeding stations, feeding systems, automatic powder feeding systems, automatic slag-discharging filters, leaf filters, clay filters, toothed roll crushers, coal crushers and other machinery.
These products are widely applied in food, pharmaceutical, chemical, metallurgy, construction materials, mining, thermal power, environmental protection and many other industries, winning recognition and trust from over 10,000 clients worldwide.
Gaofu products enjoy strong sales across Greater China, and are exported to more than 100 countries and regions such as Russia, Canada, the United States, New Zealand, Japan, Brazil and South Africa.
Upholding the corporate mission of Improving material quality & efficiency to fully satisfy customer demands, Gaofu maintains long-term partnerships with clients to achieve win-win development.
At present, Gaofu is an official qualified supplier for numerous Fortune Global 500 enterprises, including CNPC, Sinopec, Sinochem Holdings, China Resources Group, Sinopharm Group, COFCO, China National Building Material, China Aerospace Science and Technology Corporation, Jinchuan Group and more.
Gaofu Machinery ranks No.1 in global sales volume of vibrating screens.
In May 2024, Frost & Sullivan, a world-renowned international consulting firm, issued a Market Position Verification Certificate confirming that Gaofu achieved the world's largest shipment volume of vibrating screens in the global market in 2023.
