Attention
1.  It is strictly prohibited to knock or collide the shaft, which may easily lead to bending of the shaft.
2. The surface of the shaft should not be covered with sewage or dirty oil, and the shaft must operate in a clean environment.Otherwise, it will increase the probability of product leakage and reduce the service life of the product.
3. It is strictly prohibited to spray paint on the pipe teeth and axis, otherwise it will affect the heat dissipation effect and oil leakage.

Quality Standards
The company for the products are brand new original products, no second-hand and refurbished products, or leave a compensable ten and return the full amount, but the buyer due to our purchase of model error is not responsible for returns, another of the company's sales of products enjoy one year from the date of shipment quality assurance, according to the original quality standards, during warranty with product problems, need confirmation testing by the manufacturer, the supplier to be solved, the demand side due to storage, use, poor maintenance caused by lower-quality product, and not raise objections.

Delivery
1. If the products we have in store, we will send it out ASAP after payment.
2. If the products which were customized, we will complete the production within a specified period of time, and send it out the first time, we can promise it.
3. We have a variety of ways to deliver goods, usually DHL, Fedex, TNL will be normal ways, If you require use of a courier, we can do it.
4. Also we can send by your delivery acount if you want.

After-sale service
We can provide a series of after-sale service, such as product introduction, mounting, debugging, technical support and so on.