- G-MA Engineering Co. Ltd.
- Crankset, bottom bracket, headset, seatpost, chainring, titanium bolt,bicycle.
- Address:No. 202, Sec. 1, Liming Road
- Long Red International Co., Ltd.
- Bicycle,folding bicycle,Child bicycle,Bicycle accessories,Cosmetic,Bicycle wheel,Bicycle hub,Cosmetic,Bicycle accessories,Bicycle crankset,Bicycle wheelset.
- Address:Nankong Rd,
1