About Us

NingBo SPT Engineering Material Co.,Ltd is an specialized rock bolt manufacturing company serve for mine the mountain slope and tunnel rock support project.Our products including rebar threaded boltdeformed PSB830 barSDA hollow boltHot forged head boltD-BoltSplit Set Friction Rock BoltThreaded BarJ-BoltL -BoltEye Bolt and some fastens....

Then, in order to provide our customers better service, we also manufacture the bolt accessories to meet customers needs. Like-- Expansion AnchorsPlatesWashersNutsCouplersDriver ToolsDrill bits......

After you know our products area, then let me introduce our company production Strength. We have two rock bolt full-automatic production lines, they are served for producing rebar threaded boltsforged head bolts and Split Set Friction Rock Bolts, the production capacity could be 1000-2000pcs of each day. The bolt length could be 0.5-6m,diameter could 16mm-56mm.The production standards are all complied with ISO,ASTM,DIN,JIS Standards.

Company structure:

1. Steel Cutting workshop

2. Rock bolt production workshop

3. Welding workshop

4. Packing workshop

5. Warehouse

6. Office department

7. Manager department

8. Financial department

9. QC/QA

10. Mold design

11. CNC workshop


Products surface treatment , we can provide unoil/rust protectionblack coatinggalvanized,HDG,epoxy coating,and other customer ordered coatings......

Our company products export to the global countries,and it has been widely praised by our customers.Quality and Efficiency First is our company most important purpose.