Sun Lung Gear Works Co., Ltd.

No. 100, Gongye 2nd Rd.,Annan Dist., Tainan Technology Industrial Park, 709, 709 Tainan
Telephone +886 6 3843676
Fax +886 6 3843858


Hall map

K 2016 hall map (Hall 12): stand A52-38

Fairground map

K 2016 fairground map: Hall 12

Our range of products

Product categories

  • 03  Machinery and equipment for the plastics and rubber industries
  • 03.10  Parts and components
  • 03.10.001  Screws

Our products

Product category: Screws

Precision screws and barrels

With 55 years gear manufacturing & designing experience, SUN LUNG accumulate abundant and practical gears manufacturing technology. From raw material , lathing, boring, slotting, hobbing, heat treatment and precision gear grinding, SUN LUNG highly emphasize on its accuracy, precision grade to perform the highest efficiency and output capacity to the customer’s various machinery.

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Product category: Screws

Various components and parts for rubber and plastic machineries

To satisfy various demand from the single screw extruders, such as blow film, blow molding, recycling pelletizing machinery, plastic pipe, sheet, profile extrusion lines. SUN LUNG develop its unique gearbox design to fit with customer’s requirement. We apply with the highest precision gears and shafts to ensure the best operation efficiency and lowest power consumption. Moreover, we adopt with SKF bearing and NOK oil seal to extend the service life of the gearbox. The gearbox is also embedded with the excellent cooling and lubrication system. It significantly enhance the reliability and reputation of the gearbox usage.

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Product category: Screws

Screws and Barrels

When the customer need the higher output capacity and well mixed compounding or master batch granule material, Co-rotating Parallel Twin Screw Extruder will be their good choice and solution. Thus, the gearbox for Co-rotating Twin Screw Extruders plays the essential role in supporting this extruders. SUN LUNG elaborately develop the co-rotating twin screw gearboxes with accurate output haft gap tolerance control, high rigid gears and gear shafts strength to perform the most stable and uniform output material quality.

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Product category: Screws

Screws and Barrels

The gearbox for Counter-rotating Parallel Twin Screw Extruders is mainly applied for PVC pipe, sheet, and profile application. It emphasize on low speed and extremely high torque to produce high thermal sensitive PVC material. We design the solid gearbox structure and optimize the gears and shafts arrangement. The purpose is to perform the high torque and stable output capacity. With excellent SKF and INA bearings assembly, plus effective cooling and forced lubrication system, the operation efficiency is fully satisfied with the customer.

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Product category: Screws

Twin Screw Extruders

By applying unique conical gear grinding core technology, SUN LUNG successfully develop the high torque and well-mixing gearbox for Counter-rotating Conical Twin Screw Extruders. This high efficiency counter-rotating conical gearbox, not only has an innovative structure design but its breakthrough of conical gear grinding technology has significantly improved the defects of low efficiency, low reliance, short lifetime and high energy consumption of the products.

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Company news




Jul 13, 2016

New single Screw Gearbox called SLX (3 shafts) and SLFX (4 shafts) series product/ latest Super Torque Gearboxes for Co-rotating Parallel and Counter-Rotating Conical Twin Screw Extruders.

It is with pleasure Sun Lung Gears inform you that we have come out with a new single screw gearbox called SLX (3 shafts) and SLFX (4 shafts) series product.

We will introduce our latest Super Torque Gearboxes for Co-rotating Parallel and Counter-Rotating Conical Twin Screw Extruders . The gearboxes will be assembled along with barrels and highly precise Twin Screws. Sun Lung would like to invite you all to visit us at Hall 12 stand number : A52-38 for future valuable cooperation.

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About us

Company details

SUN LUNG pays much attention to marketing activities and company image. We attend many kinds of exhibitions worldwide, gather many valuable customer feedbacks and exchange technical experience to expand our global vision and explore the international market scale. We have gotten tremendous sales increase over the past years from our active promotion. From 2002 to 2014, the sales volume of SUN LUNG's gearboxes had been reached to 37,500. SUN LUNG will keep emphasizing overseas markets, expanding the areas of global service, building high reputation and keeping steady growth and sustainable operation in the future.

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Company data

Sales volume

5 - 20 Mill. US $

Export content

max. 75%

Number of employees

101 - 500



Area of business

Machinery and equipment for the plastics and rubber industries

Target groups
  • Plastic product manufacturing
  • Rubber manufacturing / processing