cleaning balls can be packaged as customer's requirement:

ShanDong Tongduobao Mechanical Equipment Co.,Ltd is located in Liaocheng city 

Shandong province China, with a wide range of concrete pump  and spare parts  including wear plate,cutting ring,  concrete pump clamp in casted and forged, concrete pump rubber hose, delivery pipe, elbow, piston,sponge ball,delivery cylinder etc, and all product are fitting to Putzmeister, Schwing, Zoomlion, Sany, Sermac, Cifa, Mitsubishi, Miigata, IHI and Kyokuto...

 Other main products :

1.Q: Are you a factory or trading company?
A:We are a factory with export license.

2.Q:Where is your factory located? How can I visit there?
A:Our factory is located in ShanDong province , China, about 2 hours plane ride from Shanghai .All our clients, from home or abroad, are warmly welcome to visit us!

3.Q: Can you do OEM?
A: Yes, we can do OEM products. It's no problem.

4.Q:How can I get some samples?
A: We are honored to offer you samples. New clients are expected to pay for the courier cost, the samples are free for you. 

5.Q:How does your factory do regarding quality control?
A:
1).All raw material we used are environmental-friendly;
2).Skilful workers care every details in handling the producing and packing processes;
3).Quality Control Department specially responsible for quality checking in each process.