Gear-Ring Type Multi-Function Pipe Coupling GR Series is a high-quality product manufactured by our factory. It is designed to meet the demands of various metal pipe applications. Our coupling is made of durable materials with excellent corrosion resistance, ensuring long-lasting use. With a gear-ring design, our coupling is easy to install and remove and provides a secure, leak-free seal. It is widely used in pipelines for chemical, construction, water, and other industries. Our factory is committed to providing customers with high-quality, cost-effective products and excellent service.