• TOP
  • About Quality Standard

About Quality Standard

The quality standards are as follows.
Please contact us if you have any questions.

Functional parts Quality standards


★★★★★ S[Excellent]

1.The parts already Checked and Tested, and is Brand new or as same as Brand new.

2.(Passenger car type)The parts already Checked and Tested.The Mileage is under 5,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

3.(2 tons truck type)The parts already Checked and Tested.The Mileage is under 50,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

4.(4 tons truck type)The parts already Checked and Tested.The Mileage is under 100,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

5.(Over 4 tons truck type)The parts already Checked and Tested.The Mileage is under 150,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

★★★★☆ A[so good]

1.(Passenger car type) The parts already Checked or Tested and has quite no problem in function although it has a very little wear and backlash.
The Mileage is under 20,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

2.(2 tons truck type) The parts already Checked or Tested and has quite no problem in function although it has a very little wear and backlash.
The Mileage is under 150,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

3.(4 tons truck type) The parts already Checked or Tested and has quite no problem in function although it has a very little wear and backlash.
The Mileage is under 300,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

4.(Over 4 tons truck type) The parts already Checked or Tested and has quite no problem in function although it has a very little wear and backlash.
The Mileage is under 500,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

★★★☆☆ B[good]

1.(Passenger car type) The parts already Checked or Tested and has no objection in function although it has some wear and backlash.
The Mileage is under 120,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

2.(2 tons truck type) The parts already Checked or Tested and has no objection in function although it has some wear and backlash.
The Mileage is over 150,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

3.(4 tons truck type) The parts already Checked or Tested and has no objection in function although it has some wear and backlash.
The Mileage is over 300,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

4.(Over 4 tons truck type) The parts already Checked or Tested and has no objection in function although it has some wear and backlash.
The Mileage is over 500,000km.
〔*If the parts is Engine…There exists information or record book customer can understand Engine condition.〕

★★☆☆☆ C[Standard]

1.(Passenger car type) The parts has no problem in function.The Mileage is over 120,000km

2.(Over 2 tons truck type) The parts has no problem in function.The Mileage is over 150,000km

M[Not Check]

1.The parts not Checked or Tested, but the seller judged from appearancce and the situation at the time of parts production. The electrical parts(sensor) are not in good condition and can not test.

2.The re-available parts which can think it is possible to work as the parts origin functions are defected

★☆☆☆☆ D[Not so Good]

1.The parts has problem in function (e.g. Shortage of parts, white/black smoke, noise...).

2.The parts wrote problems in notice.

☆☆☆☆☆ E[No Good]

1.Engine is locked because of Galling and fatal problems.

2.Fatal damage in the main part.

Quality standards for exterior parts


★★★★★ S[Excellent]

1. Inspected and tested, new or like parts

★★★★☆ A[so good]

1. Inspected and tested, car wash scratches

2. Parts that can be installed and operated without repair

3. There are no metal traces, defects, repaints, seals, etc.

★★★☆☆ B[good]

1. Inspected and tested

2.Ekbo, something that can be repaired with scratches like paint baldness, with appropriate information

3. In the case of glass, the tip is scratched

4. Small scratches, dents, ebosses, etc.

★★☆☆☆ C[Standard]

1. Proper information with no defects

2. Sheet metal traces, large dents, etc.

M[Not Check]

1.Unchecked / untested

2.No warranty for product, not limited to scratches, paint and defects

The Crack in Reusable Tire Standards

The Crack in Reusable Tire Standards


★★★★★ S[Excellent]

No fractures inside groove, and surface is smooth. Tread still have projections.Almost brand new. For Japan domestic market.

★★★★☆ A[so good]

Though projections abrasion from friction, there is no fractures inside groove.The surface is slightly rough. Colse to new tire.For Japan domestic market.

★★★☆☆ B[good]

There are some fractures inside groove.For foreign market,such as Southeast Asia(Malaysia, etc.)

★★☆☆☆ C[Standard]

Though the grooves have been worn thin unevenly, there are no cracks. For foreign market.

★☆☆☆☆ D[Not so Good]

The grooves have been worn thin unevenly and there are large fractures and cracks.