Shandong Wantong Marine Engineering Co.,Ltd is a new-type technology enterprise that integrates complete marine shafting and rudder system equipment R $ D, production and distribution. The company was founded in 1992. Its name used to be Shandong Wantong Marine Machinery Co., Ltd. And then changed to present name in 2009. Its head office is in Liaocheng City, which is popular as Water City to the north of Yangtse River. It has registered capital of 3.1 million CNY, total assets of 50 million CNY, floor area of more than 15,000m2, building area of 6,000m2, present total staff of 135 persons and a pool of intermediate and senior professional and technical talents with rich experience in marine equipment manufacturing industry. It has the ability to design and manufacture shafting and rudder system for 300,000 tons ship and below. And also has independent import and export qualifications. 
The main products of the company include: 
1. Full set of equipment for marine shaft system and rudder system
2. Full set of sealing equipment for marine propulsion system and rudder system
3. High polymer composite nano meter bearing and material (Brand: Biaolong, authorized by CCS)
4. Forged steel equipment for marine (unit weight less than 10 tons)
5. Casting of nonferrous metals 

The company annual output is 500 sets of stern shafting and rudder system equipment for ships and 2,000 sets of high polymer nano bearings; Our shafting and rudder system products have been approved by many ship classifications such as CCS, BV, VR, DNV, LR, ABS, GL and so on.