1. using the stainless steel #201.
2. It can be Assembling.
3. welding firm can work under more pressure.
4. 4 solid wheel can be durable.
Reasons for choosing us:
1. The good quality products with factory price.
2. We will reply you as soon as possible even if we are on off work time.
3. The more quanlity you buy, the more discount we give you.
4. we test the goods in details before we deliver the goods
5. 1 year warranty and some accessories for free
6. OEM is welcome
7. For more than 35 years of production history, has accumulated a wealth of experience