- Dayou Grou
- MELAMINE, CHEMICAL, tower crane, cranes, construction hoist, construction elevator, hoist, elevator, concrete mixer truck, construction machinery, machinery.
- Address:donghai west road Qingdao, Shandong
- Jinan Dongyue Lifting Communication Equipment Co., Ltd
- tower crane.
- Address:mingshui, Jinan, Shandong, China
- Shandong Hongda Construction Machinery Croup Co., Ltd.
- qtz tower crane, concrete machines, rollers, rigs, mini-excavator, rubbish compression truck.
- Address:No.26 Longmen Road, Laiyang, Shandong, China,265200