Manufacturing Capacity

Professional Research and Development Team

TGQ has a professional R&D team and production team. In addition to continuously improving our expertise and technology, TGQ also focuses on improving equipment. TGQ has formulated the manufacturing standards for the top automotive chassis suspension system and has accumulated more than 30 years of practical experience.

Safest, High Quality and High Performance Products

TGQ become a benchmark manufacturer of reliable suspension system parts for world-renowned automobile brands. We focus on providing the safest, highest quality, and most efficient products. To pursue and realize the concept, TGQ continuously trains and learns the professional skills of the research and development and product teams.

We invest in automated hardware equipment yearly for more manufacturing technology than our peers. TGQ adheres to a critical point: “Even if it is the best, still pursuing A to A+.” TGQ has been established for more than 30 years, has invested in production equipment, and regularly maintains, inspects, and updates.

The planning of production lines can meet customer needs to achieve instant, fast, and efficient configuration and changes.



  • Expert in complex Curved Surface
  • High Strength, Smooth and Supple, no Scars, no Burrs
  • Minimum lot size: 100 ~ 1,000 pcs
  • Maximum monthly Capacity:30,000 ~ 100,000 pcs
Materials Used with Specialization
Material No.JIS/SAE No.Classification of MaterialsMaterial NameHardnessTenacityRate of Elongation
SPHCJIS G 3131BoardHot Rolled SheetHRB 55-70Higher Than 270N/mm2More Than 29%
SAPH440JIS G 3113BoardHot Rolled High Tensile Steel(Black Plate)HRB 75-90Higher Than 440N/mm2More Than 32%
S50CJIS G 4051BoardMedium Carbon Steels for Machine Structural UseHB 179-235Higher Than 608N/mm2More Than 18%
  • Manufactured thickness::0.8mm-8.0mm
  • Maximum finished size::400mm-600mm
Major Equipment
Name of EquipmentSpecificationQuantity
Stamping Machine250 Tons3 Pcs
Punch press200 Tons1 Pcs
Punch press110 Tons1 Pcs
Punch press45 Tons5 Pcs
Punch press15 Tons10 Pcs


Perfect bonding, stubbornly beyond the strength of steel plates.
Flattened Weld with delicate surface, no welding slag.

OTC (Japan) automated CO2 welding robots : 4 pcs

  • Minimum lot size:100 ~ 1,000 pcs
  • Maximum monthly capacity:10,000 ~ 100,000pcs


Technology of Multi-material Turn-milling Process : Barrel Rod, Aluminum Extrusion, Casting and Forging.
Challenging the Goal of 6 Sigma and 0 PPM (Zero Defect).

  • Mirror Polished Ball Joint: Surface Roughness:<Ra 0.2.
  • Circularity:+/- 0.01mm.
  • Tolerances for inner and outer diameters: ±0.005mm
  • Precision Development:Circularity: 0.01 mm & Concentricity: 0.1mm.
  • Minimum lot size: 100 ~ 1,000 pcs
  • Maximum monthly capacity: 10,000 ~ 100,000 pcs
  • Annual capacity (semi-finished control arms): 600,000 pcs
  • Annual capacity (ball studs): 1,000,000 pcs
Materials Used with Specialization
Material No.JIS/SAE No.Classification of MaterialsMaterial NameHardnessTenacityRate of Elongation
S45CJIS G 4051BarCarbon Steels Of Machine Structural UseHB 167-229Higher Than 569N/mm2More Than 20%
SCM440JIS G 4053BarChrome-Molybdenum SteelHRC 30-378Higher Than 981N/mm2More Than 12%
A6082JIS H 4140BarAluminum-Magnesium-Silicon AlloyHRB 57-63Higher Than 310N/mm2More Than 10%
FCD400JIS G 5502ForgedSpheroidal Graphite Cats IronHRB 75-89Higher Than 400N/mm2More Than 15%
Major Equipment
Name of Equipment Specification Quantity
Mini CNC Lathe Radius of Gyration of 400mm 6 sets
Large CNC Lathe Radius of Gyration of 600mm 10 sets
Automatic Lathe Robot Arm Production Line 4 pcs
MC Milling-Vertical Machining Centers 1200mm Platform 8 sets
Ball Joint Polishing Machine Spherometer Φ20-40mm 4 sets

Rubber Technology

Hydraulic system design, multiple appropriate flexibility, precise quakeproof demand

More than one million times of ultra-durable life test under extreme weather environment of highest temperature of 160°F and lowest temperature of -40°F.

  • Minimum lot size: 100 ~ 1,000 pcs
  • Maximum Monthly capacity: 100,000 ~ 300,000 pcs
Materials Used with Specialization
Materials No.JIS/SAE No.Classification of MaterialsMaterial NameHardnessTenacityRate of Elongation
NBRJIS K 6253RubberNitrile Butadiene Rubber50-8550-250Kg/cm2800-100%
NSRJIS K 6253RubberNatural Rubber + Styrene Rubber50-8530-300Kg/cm21000-100%
CRJIS K 6253RubberChloroprene Rubber50-6550-250Kg/cm21000-100%
Major Equipment
Name of EquipmentSpecificationQuantity
Rubber Injection Molding Machine200 Tons6 sets
Vacuum Injection Molding Machine for Rubber250 Tons2 sets
Shrinker25-100mm2 pcs
Anti-corrosion Coating Production Line 3 Lines

Assembling Technology

Adhering to serious demand on all details, achieving superb technology.

6 composite assembly lines for chassis suspension and steering system parts

  • 60,000 km strong warranty/ 3 years for more than 1 million times of high and low temperature mud water life tests.
  • Solid Body of Control arm
  • Torque Gap of Ball Joint Works Precisely
  • Excellent Elastic Quakeproof of Rubber Bushing