4 Cylinder Outborad Engine Water Cooled 4 Stroke Marine Diesel Machinery Engines

Qingdao gold shark grows up quickly and powerfully. We have our own design team, manufacture team including the workshop, marketing and sales department. We mainly focus on second innovation research and development basing on the latest international electronic intelligence technology, manufactures and sells electronic intelligent control products and peripheral accessories.

The vision of gold shark is to maximize the use of latest international technology and to change life by it. gold shark 's products can be applied in electric skateboards, electric vehicles, scooters, car models, ship models, robots and industrial equipment and other industries.


cylinder liner, piston, piston ring, engine valve, engine bearing, oil nozzle, oil seal, oil pump, fuel pump, water pump, turbocharger, and so on
our products have exported many countrys .We are also the supplier for China DEUTZ/KHD, CUMMINS, ISUZU and LOVOL as well as MTU, KKK Germany
We also supply the china products which are made by joint venture with international engine and engine parts ,for example Elring, Bosch, Payen, Federal-mogul, TP, Holset, S.Valeo, Garrett, Borg-Warner, KKK, ZF, Eaton, Fuller, GKN, Thomson products which made in China under strict quality control and international quality standards.
We aim to be a top class supplier for worldwide OEM and aftermarket!
hope build good business relationship with all company which is do business in this field.

Q1.Where is your factory?
We have two factories. One is for lost wax casting products in Dongying City,another is for CNC machining process , laser cutting etc service in Dongying City. More than 300people .
Q2.What material do you have?
SS304/SS316/SS316/Duplex 2205/ Carbon steel/Alloy steel/Aluminum
Q3.What surface treatment for the products your factory can offer?
Mirror, Chrome, Satin, Brushed ,Power coated, Electrolytic polishing
Q4.Can you provide sample for us?

Yes, free sample is available
Q5.Can you do the any metal products according to our design?
Yes, but the drawing or sample is needed

Q6. How do you ensure quality control?
We ensure the quality control by 2 steps: 1)after finish, our workers will check it one by one. 2)our package department will check before they pack.
Q7.How do you ship the goods to us?
We have the forwarder cooperated with us for 11 years, they can deliver the goods to you in very short time with competitive price,and you can ship by your own agent as your convinence