- G & W World Trading Co., Ltd.
- Airport Ground Sup, Luggage Towing Tractor, Training Aircrafts, Container Dolly Pallet Dolly Trailer, Dog Training Agility Equipment, Horse Carriages, Horse Carts, Horse Trailers, Horse Harness
Shanghai
- Shandong Zhengyang Machinery Co. Ltd
- Trailer Axle, Suspension, Brake Drum, Hub, Castings
Shandong
- Shandong Darong Machinery Co., Ltd.
- Trailer Parts
Shandong
- Shijiazhuang Land Auto Component Ltd.
- Trailer Parts, Trailer Suspension, Trailer Fifth Wheel, Trailer Axle, Trailer Kingpin, Trailer Landing Gear
Hebei
- Henan Hengsaier Auto Parts Co., LTD
- Leaf Spring
Henan