In the era of smart agriculture and precision livestock farming (PLF), the demand for efficient, reliable, and highly accurate veterinary drug delivery systems has reached unprecedented heights. Traditional manual syringes, once the backbone of farm healthcare, are rapidly being replaced by advanced Auto Syringes for farm drug delivery. This transition is driven by the need to optimize labor, ensure animal welfare, and prevent the misuse or waste of expensive pharmaceuticals.
Modern intensive farming operations—housing thousands of hogs, poultry, or cattle—require rapid, mass-vaccination protocols. Manual administration is not only labor-intensive but also introduces significant variance in dosage, leading to potential under-dosing (rendering the vaccine ineffective) or over-dosing (increasing costs and risking toxicity). Automated and semi-automatic continuous syringes solve this bottleneck by delivering fixed, highly accurate doses with minimal cycle times.
Furthermore, biosecurity regulations and global standards for meat quality demand that injection equipment be easily sterilizable, highly durable, and designed to minimize animal tissue trauma. The adoption of high-tech polymers like TPX plastic steel and corrosion-resistant chromium-plated brass ensures that these tools withstand harsh farm chemicals and repeated autoclaving cycles.
• Precision Calibration: Eliminates human error in measuring doses, ensuring every animal receives the exact therapeutic volume.
• Ergonomic Design: Reduces operator fatigue during long vaccination runs, decreasing the risk of needle-stick injuries.
• High Throughput: Speeds up mass inoculation programs by up to 50% compared to traditional single-use or manual re-fillable models.
Veterinary delivery systems must adapt to diverse animal sizes, skin thicknesses, and medication viscosities. Here is how modern auto syringes are deployed across different farm sectors:
In large-scale pig farms, piglets require iron injections, vaccines, and vitamins in their first weeks of life. Semi-automatic continuous injectors allow operators to quickly process litters. The adjustable dose settings accommodate growth stages from nursery piglets to heavy market hogs, ensuring deep intramuscular delivery without bending needles.
With thousands of birds per house, poultry vaccination demands speed and micro-dose accuracy (often as low as 0.1ml to 0.5ml). Specialized continuous syringes with spring-assisted triggers allow rapid-fire subcutaneous injections, helping to prevent outbreaks of Newcastle disease or avian influenza without harming fragile birds.
Ruminants have thick hides requiring heavy-duty metal syringes. Continuous systems connected to overhead bottle holders or tube lines allow veterinarians to administer antibiotics or antiparasitics to herd lines efficiently, maintaining high pressure and steady flow even with viscous oil-based medications.
The next frontier of farm drug delivery involves the integration of IoT (Internet of Things) and RFID tracking. Future auto syringes will communicate directly with farm management software, automatically logging which animal (via RFID ear tag) received what dose of medication. This ensures complete traceability, simplifies compliance with withdrawal period regulations, and provides farm managers with real-time data on herd health status.
Shaoxing WANJIA has been a leading manufacturer in the veterinary equipment industry since 1985. Over the decades, we have transformed from humble beginnings into a globally renowned company, setting industry standards in research and production.
Our fully automated production facilities, combined with exceptional manufacturing capabilities and stringent quality control, ensure that every product meets the highest international standards. With over 60 patent certifications and exports to more than 60 countries and regions, Shaoxing WANJIA delivers innovative solutions that drive the livestock industry forward.
As a trusted supplier in global trade, Shaoxing WANJIA’s story is one of relentless pursuit of excellence, empowering the livestock industry and shaping the future of veterinary equipment worldwide.
To shape the future of animal health and livestock productivity, Shaoxing WANJIA aspires to lead the global livestock and animal healthcare industry. Through cutting-edge technology and high-quality equipment, we envision a world where sustainable livestock practices drive a healthier and more productive future.
To be a reliable supplier to our clients, supply high quality products that help improve animal health and well-being with sustainable practices.
Decades of manufacturing excellence combined with client-focused services make us the preferred partner for livestock operations globally.
Our precision-engineered equipment, crafted with the latest technology and strict quality controls, guarantees exceptional performance and reliability.
We deliver products 30% faster than the industry average, ensuring timely solutions for your business needs.
Our professional and responsive team ensures a seamless experience, from product selection to after-sales service.
Backed by a strong R&D team, we continuously launch new, high-quality products that adapt to the evolving needs of the livestock industry.
From raw concept to final quality check, our manufacturing stages are strictly monitored to ensure flawless operation.









With high quality products and excellent service, the company has won many awards in the industry. These honors prove the strength and influence of the company, showing outstanding performance in development, innovation, and social responsibility.













Full certification ensures our products are suitable and reliable for global veterinary applications.
On May 18–20, 2013, Shaoxing Wanjia Appliance Co., Ltd. participated in the 11th China Animal Husbandry Expo held in Wuhan, China, exhibiting at Booth AM19. This participation represents an early stage in the company’s continuous involvement in industry exhibitions, reflecting its long-term commitment to veterinary equipment manufacturing, steady growth, and accumulated expertise within the livestock healthcare sector.
On September 23–25, 2014, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV China 2014 (China International Intensive Livestock Exhibition) held in Beijing, exhibiting at Booth W3.W115. This appearance reflects the company’s continued engagement with international-standard livestock exhibitions, highlighting its steady development, technical focus, and growing presence within the veterinary equipment manufacturing sector.
From May 18 to 20, 2015, Shaoxing Wanjia Appliance Co., Ltd. exhibited at the 13th China Animal Husbandry Expo in Chongqing, occupying Booths 1A18 and 1A19. Compared with earlier exhibitions, this participation marked an expanded on-site presence, demonstrating the company’s growing operational scale, strengthened industry recognition, and sustained advancement within the veterinary equipment manufacturing field.
On May 18–20, 2016, Shaoxing Wanjia Appliance Co., Ltd. attended the 14th China Animal Husbandry Expo held in Shenyang, exhibiting at Booth WJ21–22. This exhibition in Northeast China reflected the company’s continued efforts to strengthen regional market presence, while reinforcing its long-term focus on practical manufacturing capabilities and sustained participation in the national livestock industry.
From September 6 to 8, 2016, Shaoxing Wanjia Appliance Co., Ltd. took part in VIV China 2016 (China International Intensive Livestock Exhibition) held in Beijing, exhibiting at Booth WJ134. Participation in this internationally oriented exhibition highlighted the company’s increasing engagement with global industry standards and professional exchange, reflecting its steady transition from domestic exposure toward broader international industry interaction.
In November 2016, Shaoxing Wanjia Appliance Co., Ltd. participated in EuroTier held in Hannover. By entering one of Europe’s most influential livestock exhibitions, the company further broadened its international exposure, gaining direct insight into advanced farming practices and global market requirements, while reinforcing its long-term commitment to professional veterinary equipment manufacturing.
From March 15 to 17, 2017, Shaoxing Wanjia Appliance Co., Ltd. exhibited at VIV ASIA 2017 in Bangkok, at Booth 2071. This participation marked a further step in the company’s expansion within the Asia-Pacific market, enabling closer engagement with regional distributors and reinforcing its practical manufacturing strengths through direct international industry interaction.
From May 18 to 20, 2017, Shaoxing Wanjia Appliance Co., Ltd. took part in the 15th China Animal Husbandry Expo held in Qingdao, exhibiting at Booths EN68–EN69. This continued participation in a major national exhibition underscored the company’s stable role within China’s livestock equipment supply chain, reflecting consistent technical refinement and long-term industry engagement alongside its overseas activities.
In 2018, Shaoxing Wanjia Appliance Co., Ltd. again participated in EuroTier held in Hannover. Continued presence at this leading European livestock exhibition reflected the company’s sustained commitment to international industry engagement, as well as its growing confidence in aligning manufacturing capabilities with global market expectations and professional standards.
From May 18 to 20, 2018, Shaoxing Wanjia Appliance Co., Ltd. participated in the 16th China Animal Husbandry Expo held in Chongqing, exhibiting at Booths 2D27 and 2D28. The company’s ongoing involvement in this national exhibition series highlighted its stable operating rhythm, consistent product development, and continued integration within China’s livestock equipment industry.
From September 17 to 19, 2018, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV China 2018 held in Nanjing, exhibiting at Booth 5H011. Engagement at this industry-focused international platform supported closer technical and commercial exchanges, reinforcing the company’s methodical approach to product refinement and its steady alignment with evolving livestock production requirements.
From October 17 to 19, 2018, Shaoxing Wanjia Appliance Co., Ltd. exhibited at VIETSTOCK 2018 Expo & Forum in Ho Chi Minh City, at Booth P33. Participation in this Southeast Asian industry forum supported the company’s regional outreach strategy, facilitating practical dialogue with local partners and reinforcing its steady expansion across emerging livestock markets.
From March 13 to 15, 2019, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV ASIA 2019 held in Bangkok, exhibiting at Booth 162. Returning to this key Asia-Pacific exhibition demonstrated the company’s long-term focus on the regional livestock sector, supporting continuity in distributor engagement and reinforcing its practical, manufacturing-driven approach to overseas market development.
From May 18 to 20, 2019, Shaoxing Wanjia Appliance Co., Ltd. attended the 17th China Animal Husbandry Expo held in Wuhan, exhibiting at Booth B2-BG23. Continued participation in this national flagship exhibition reflected the company’s established position within China’s livestock equipment sector, demonstrating stable operations, accumulated manufacturing experience, and long-term alignment with domestic industry development.
From September 19 to 21, 2019, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV Qingdao 2019 held in Qingdao West Coast, exhibiting at Booth S3E019. Engagement at this specialized Asia-focused exhibition supported targeted technical exchange and regional collaboration, underscoring the company’s disciplined approach to market development and its continued alignment with intensive livestock production needs.
From May 18 to 20, 2021, Shaoxing Wanjia Appliance Co., Ltd. participated in the 19th China Animal Husbandry Expo held in Nanchang, exhibiting at Booth 7A67. This appearance marked the company’s continued commitment to national industry engagement, demonstrating operational resilience and a steady return to structured exhibition activities while maintaining focus on veterinary equipment manufacturing.
In October 2021, Shaoxing Wanjia Appliance Co., Ltd. participated in IRANPLEX 2021, held in Tehran. As one of Iran’s larger international exhibitions for poultry, livestock, and related industries, the event brought together global professional companies. Participation reflected the company’s proactive engagement with emerging regional markets and its continued efforts to understand diverse production environments and industry needs.
From March 8 to 10, 2023, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV ASIA 2023 held in Bangkok, exhibiting at Booth 47100. Returning to this leading Asia-Pacific livestock exhibition underscored the company’s continuity in international engagement, supporting stable cooperation with long-term partners and reinforcing its manufacturing-focused role within the regional veterinary equipment supply chain.
From May 18 to 20, 2023, Shaoxing Wanjia Appliance Co., Ltd. participated in the 20th China Animal Husbandry Expo held in Chengdu, exhibiting at Booth 0176. Taking part in this milestone edition of the national expo reflected the company’s continued alignment with China’s livestock industry development, highlighting accumulated manufacturing experience and a stable, long-term presence within the domestic veterinary equipment sector.
From October 7 to 8, 2024, Shaoxing Wanjia Appliance Co., Ltd. participated in AGRAme 2024, a leading livestock and agricultural exhibition held in Dubai, UAE, exhibiting its veterinary equipment solutions to the Middle East and international markets. Participation in this well-established regional exhibition reflected the company’s continued expansion into global markets and its long-term commitment to the livestock and veterinary industry, demonstrating operational maturity, stable manufacturing capacity, and accumulated expertise in veterinary equipment manufacturing.
From November 12 to 15, 2024, Shaoxing Wanjia Appliance Co., Ltd. participated in EuroTier 2024 held in Hannover, exhibiting at Booth 11-E53E. Repeated participation at this leading global livestock exhibition reflected the company’s sustained engagement with international industry platforms, supporting long-term technical dialogue and reinforcing its established position within the global veterinary equipment manufacturing landscape.
International Production & Processing Expo (IPPE) 2025 (2025.1.28-1.30). From January 28 to 30, 2025, Shaoxing Wanjia Appliance Co., Ltd. participated in the International Production & Processing Expo (IPPE) 2025 held in Atlanta. Participation in this major North American production and processing exhibition reflected the company’s continued expansion into global industry platforms, supporting direct engagement with integrated livestock and poultry supply chains and reinforcing its manufacturing-driven international development path.
In March 2025, Shaoxing Wanjia Appliance Co., Ltd. participated in VIV ASIA 2025 held in Bangkok, exhibiting at Booth 3-47100. Continued presence at this flagship Asia-Pacific livestock exhibition reflected the company’s long-term commitment to the regional market, supporting stable cooperation with partners and reinforcing its consistent role as a manufacturing-oriented veterinary equipment supplier.