With 10 models available, our hydraulic roll grooving machines cover 1''–12'' pipes. From light-duty to heavy-duty, there’s always a durable and efficient solution to match your specific project needs
Innovative Technology-leading Roll Groovers Manufacturer
Discover Gruvmaster's cutting-edge pipe fabrication solutions:From Roll Grooving to Pipe Cutting, Groove Cutting, and Hole Cutting, our machines offer precision, efficiency, and safety for diverse pipe work needs.
Our heavy-duty hydraulic roll grooving machines cover 8''–32'' pipes with 3 model options. Each size combination is engineered to meet tough demands, ensuring reliable performance and durability in challenging projects
Automatic roll grooving machines with 2 models available, covering pipes up to 24''. Featuring reliable hydraulic control, this series delivers professional efficiency and precision, especially ideal for workshop-based batch operations
Automatic roll grooving machines for pipe fittings, covering 2''–24''. Equipped with a reliable hydraulic control system and exclusive anti-pipe-walk design, ensuring stability, precision, and efficiency in professional workshop operations
Manual roll grooving machines, lightweight and flexible, suitable for independent manual grooving or combined use with power drives and threading machines. A versatile solution designed for portability, ease of use, and reliable performance
Gruvmaster groove cutting machines feature an exclusive structural design, handling pipe sizes up to 32''. Especially suitable for mining pipelines and ultra-thick wall pipes, delivering reliable strength, precision, and long-lasting performance
Groove end reforming machines, designed for correcting pipe fitting flare ends. Perfectly matched with fitting roll grooving machines, ensuring precise reshaping, stable connections, and improved efficiency in professional grooved piping projects
Electric pipe cutting machines with 5 models available, covering 1/2''–20'' pipes. From light-duty to heavy-duty, suitable for steel, stainless steel, copper, and aluminum pipes — always the right cutting solution for you
Pipe Grooving Master
ABOUT US
With 20+ years of experience, we understand our customers' needs. We develop, produce, and market pipe tools and machines for plumbers. Our comprehensive range of pipe tools is used in construction sites, refrigeration, gas, water, environmental technology, and maintenance tasks. Our roll grooving machine, co-branded as "Gruvmaster" and "Welping," is highly popular and recognized by customers.More
New Equipment for Roll Groovers and Cutting Machines
Discover our top-selling roll grooving machine, crafted with cutting-edge technology for precision and efficiency in grooving operations. Whether for pipeline installations or maintenance tasks, it meets your needs with unparalleled performance. Elevate productivity—choose our roll grooving machine!
News Center
Cross-Border Connections: Welping at EcwaTechSep 17,2025Welping participated in the EcwaTech exhibition in Moscow, connecting with global partners and showcasing our welding solutions. Highlights included the FX250 butt fusion machine, single-size clamp inserts, HDPE fittings, WP315Q automatic butt fusion machine, and extrusion welder. The event strengthened both business cooperation and personal friendships, marking an important milestone in Welping’s international journey.
Why Contractors Choose Gruvmaster Roll GrooversSep 15,2025Discover why contractors trust the Gruvmaster roll grooving machine. Our video shows how a pipe roll groover delivers faster installation, safer worksites, and reliable joints. Built for fire protection, HVAC, and industrial piping, Gruvmaster pipe groovers combine precision with durability, making them the smart choice for every project.
Gruvmaster RG-2S Roll Grooving Machine: Compact, Efficient, ReliableSep 12,2025The Gruvmaster RG-2S roll grooving machine is a compact, efficient, and reliable solution for small to medium pipe sizes up to 6″. Designed for fire protection, HVAC, and light industrial projects, this roll groover combines portability with consistent performance. With Gruvmaster’s focus on precision and durability, the pipe roll groover delivers clean, accurate grooves that ensure safe and reliable pipe connections.
