About

WHO WE ARE

COMPANY INTRODUCTION

Founded in 2018, Qingdao Longwin Medical Supplies Co., Ltd. specializes in the development and global supply of artificial insemination consumables for modern swine reproduction.
The company is dedicated to improve productivity and operational efficiency in insemination centers and pig farms worldwide, guided by the following core values.

Under the brand Vigorvet, the main products include disposable pig artificial insemination catheters, disposable insemination bottles, crayon marker pens, semen bags, semen insemination clips, lubricant gels, and other pig artificial insemination consumables, as well as related experimental equipment.
Supported by highly automated manufacturing lines, the annual production capacity for artificial insemination catheters reaches 130 million units, enabling stable support for high-volume and long-term supply requirements. Products are exported to more than 20 countries and regions, serving customers across diverse international markets.
Through dependable supply performance and proven manufacturing stability, we empower our partners to confidently grow their business while fostering sustainable, long-term collaborations.

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Annual Production Capacity of Swine AI Catheters
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Countries & Regions Served Worldwide
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Automated Production Processes
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Virgin Raw Materials Used

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OUR CORPORATE CULTURE

We believe that only when innovation, improvement, quality, and delivery work in harmony can we create true long-term value for our partners.

Innovation & R&D

A dedicated research and development team continuously enhances artificial insemination products to meet the evolving needs of the swine industry and global customers.

Continuous Improvement

Operations Refined In Line With Industry Trends And Customer Requirements, From Product Design To Manufacturing Processes, Ensuring Performance And Reliability.

Excellent Quality Control

Every Batch Undergoes Strict Inspection At Each Stage—from Raw Material Selection To Final Production—ensuring Consistent, High-quality Products That Partners Can Trust.

On-time Delivery

Combined With A Reliable Supply Chain And Disciplined Production Schedules, Products Are Delivered On Time To Help Customers Confidently Meet Growing Market Demands.

WHY CHOOSE US?

Why do customers in more than 20 countries keep choosing us? The answer lies in every traceable batch of quality and every on-time delivery.

Comprehensive Solutions

We offer a complete portfolio of artificial insemination consumables, from AI and PCAI catheters to semen handling and laboratory accessories, providing convenient one-stop sourcing for swine reproduction operations.

OEM & ODM Expertise

We support private labeling, customized packaging, product modifications, and market-specific solutions. Our flexible manufacturing capabilities help distributors and brands expand their product offerings with confidence.

Innovation & Continuous Improvement

Driven by a dedicated R&D team, we continuously improve product design, manufacturing processes, and user experience to meet the evolving needs of the global swine industry.

Quality & Reliable Delivery

Strict quality control systems, efficient production planning, and a stable supply chain ensure consistent product quality, dependable supply, and on-time delivery.