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Top seller in the global market, providing high quality HVOF Tungsten Coated Screw, Single Screw Barrel, Temperature Thermocouple, Molding Machine Tie Bar, Screw Tips, Stainless Steel Mica Band Heater, and Spring Coil Heater.

Ningbo Rootier Industry And Trade Co., Ltd. is dedicated to offering high-end products such as Screw Tips, Single Screw Barrel, HVOF Tungsten Coated Screw, Molding Machine Tie Bar, Temperature Thermocouple, Stainless Steel Mica Band Heater, and Spring Coil Heater.

For several widely used IMM, such as Nissei, Sumitomo, Fanuc, and Victor machines, we have a large number of ready to use screw barrels in our products portfolio. These barrels are ideal for processing high glass fiber-filled polymers and offer special solutions to extend lifespan and performance. Rootier, with its rich market experience, is presently the only Chinese supplier that provides complete injection nozzle solutions, such as shut off, mixing, and filter nozzles.


Based on the results of successful experiments with a variety of injection molding machines, Rootier is able to provide customers with special solutions for thermoplastic leakage, filtering, and color dispersion, including PA, PP, PE, and POM. L.S.R. (Liquid Silicon Rubber) injection is also an option. The self-designed construction of our products minimize product size and require less machine space, making it suitable for a variety of applications such as rapid food container processing, high-speed machines, and full electric injection machines. It is also guaranteed to be simple to assemble.

Vision and Culture

Rootier Industry is committed to providing customers with the simplest and most effective solutions for plastic processing and troubleshooting. We place a high priority on employee training and stay focused on having the latest technology and investments.

Furthermore, we want plastic molding to remain simple, professional, and affordable. We also work towards conserving more by helping people save every drop of plastic.



We accept only bulk quantity orders.


Injection Molding Screw Barrel
Injection Molding Screw Barrel
Injection Molding Machine Screw Barrel
Injection Molding Machine Screw Barrel
BTW2100 Bimetallic Screw Cylinder With Nozzle
BTW2100 Bimetallic Screw Cylinder With Nozzle
Woojin TH170S IH520 High Anticorrosive Screw Barrel
Woojin TH170S IH520 High Anticorrosive Screw Barrel
BTW1800 Nitrided Plasticizing Screw with Tip Set for Injection Machine
BTW1800 Nitrided Plasticizing Screw with Tip Set for Injection Machine
Woojin TH110S IH210 High Anticorrosive Cylinder Screw
Woojin TH110S IH210 High Anticorrosive Cylinder Screw
Injection Molding Machine Filter Nozzle
Injection Molding Machine Filter Nozzle
Plastic Injection Molding Masterbatch Color Mixing Static Mixer Nozzle
Plastic Injection Molding Masterbatch Color Mixing Static Mixer Nozzle
Internal Spring Loaded Self Closing Shut Off Valve Nozzle
Internal Spring Loaded Self Closing Shut Off Valve Nozzle
High Speed Injection Piston Shut off Nozzle
High Speed Injection Piston Shut off Nozzle
Injection Molding Shut off Valve Nozzle
Injection Molding Shut off Valve Nozzle
Injection Screw Tip Heat Assembly
Injection Screw Tip Heat Assembly
Ring Plunger set for Engel machine
Ring Plunger set for Engel machine
Injection Molding Machine Ring Plunger Set
Injection Molding Machine Ring Plunger Set
BMC Injection Machine Special Screw Tip Set
BMC Injection Machine Special Screw Tip Set
Enhanced Color Mixing Type Screw Tip Head Assembly
Enhanced Color Mixing Type Screw Tip Head Assembly
Extrusion Equipment Single Screw And Barrel
Extrusion Equipment Single Screw And Barrel
Plastic Recycling Granulation Machine Screw Barrel
Plastic Recycling Granulation Machine Screw Barrel
Extrusion Compounding Machine Degas Screw Barrel
Extrusion Compounding Machine Degas Screw Barrel
Blown Film Machine Screw Barrel
Blown Film Machine Screw Barrel
Industrial Extruder Machine Twin Parallel Screw Barrel
Industrial Extruder Machine Twin Parallel Screw Barrel
Twin Screw Element Barrel Segment Components
Twin Screw Element Barrel Segment Components
Extruder Machine Twin Conical Screw Barrel
Extruder Machine Twin Conical Screw Barrel
Ni-based Bimetallic Screw Stelliate Alloy
Ni-based Bimetallic Screw Stelliate Alloy
High Wearing Resistant Ni-based Bimetallic Barrel
High Wearing Resistant Ni-based Bimetallic Barrel
Powder Metallurgy Hardened Screws
Powder Metallurgy Hardened Screws
PVD TiN CrN Coated Screw
PVD TiN CrN Coated Screw
High Tungsten Nickel Base Bimetallic Barrel
High Tungsten Nickel Base Bimetallic Barrel
Injection Molding Machine Tie Bar
Injection Molding Machine Tie Bar
Temperature Sensor Thermocouple
Temperature Sensor Thermocouple
Stainless Steel Mica Band Heater
Stainless Steel Mica Band Heater
Copper Cast Heater
Copper Cast Heater
Spring Coil Heater
Spring Coil Heater
Aluminium Cast Heater
Aluminium Cast Heater
Ceramic Band Heater
Ceramic Band Heater