Are you a factory or a trading company?

We are the original manufacturer with 20 years experience.

What products do you sell?

Industrial Aluminum Profile, Industrial Frame Structure, Rectangle Ball Linear Rail, Rod End Bearings, Hydraulic Joint Bearings, Radial Bearings, Linear Bearing, Needle Roller Bearings, Plain Shaft (Axis), Linear Guides, Ball Screw, etc.

How can we help?

See below for answers to some of the most popular questions we receive. Don’t see the answer you are looking for? Contact us today and speak with one of our torque, bolting, or calibration experts. Fill out our contact form or give us a call, and we’d be happy to assist you.

How can I contact you?

NO. 626 Yuncai Road, Yunlong Town, Yinzhou, Ningbo, Zhejiang, China.

Tel: +86-574-88180077

Fax: +86-574-8834 5368

Email: seo1@saivs.com


Director/CEO/General Manager:Mr. Jackie zhou

How soon can I receive a quote?

We will respond to you within 24 hours.

What about your quality control?

  1. Checking the raw material after they reach our factory(IQC)

  2. Checking the details before the production line operated.

  3. Have full inspection and routing inspection during mass production(IPQC)

  4. Checking the goods after they are finished(FQC).

  5. Checking the goods after they are finished(QC).

  6. 100% inspection and delivery before shipment.

Can you customize my products?

Yes, we can customized products with your design drawings like DWG, DXF, DXW, IGES, STEP, PDF etc.

What is the MOQ?


Where are your products manufactured?

Our factory is located in Ningbo, Zhejiang, China

Can I be an agent for SAIVS products?

Of course, please contact us for more details.

How long do you provide the warranty and what if it exceeds the time?

We can provide lifetime service even it’s out of warranty time, just there will be some repair costs and shipping cost.

What if there is a problem with the purchased product?

If any quality problem happens please take some photos and videos to show the exact problem, then our engineer will judge and give a solution.

Will your products be damaged in transit? What if it is damaged?

This problem never happened in previous delivery.
 We will pack with two layers packages, a plastic box and then a wooden box.
 Please open the box and check very carefully when you receive, and show us if any problem, then we will give a solution.

Do you provide OEM service?

Yes, we provide OEM service. We will produce products that meet your requirements according to the logo, product parameters and dimensions you provide. Please contact us for more details.

If you have any suggestions or question for us.Please contact us.