DOT plant code 1TH
Weifang Longshan Tyre CO., LTD., Gaomi, Shandong, China. NHTSA's record names the company on this plant code. It does not list brands, and the status field is not a finding that the plant is operating.
Data-quality note
The name is the company on NHTSA's plant-code record. The record does not list tire brands, and this site does not claim a plant makes a given brand. The status field is the value vPIC stored. Active is not a finding that the company or the plant is operating. Data last verified October 21, 2026 (UTC). Data-quality notes.
- Current plant code
- 1TH
- Former code
- TH
- Plant name
- Weifang Longshan Tyre CO., LTD.
- Address
- Chaigou Town
- City and region
- Gaomi, Shandong, 261519
- Country
- China
- Status field
- Active. This is the value stored in vPIC, not a finding that the company or plant is operating today.
Tires molded with the older two-symbol code TH point at this same plant record .
Decode a code that starts with 1TH · How to read a DOT code · All plant codes