As a leading manufacturer specializedin drill bits & customized components, J.B Machinery are dedicated toprovide one-stop cost-effective components solution for clients in constructionworld. Consisting of our own casting, forging & machining factories, J.Bhas a complete & modernized quality control system on the whole supplychain. Our drill products and construction components are specifically designedfor customers` needs and include a wide variety of sizes and designs."Value added"process is our commitment to fully meet your requirements. We offer engineeringassistance from material selection to manufacturing methods. The main materials are 45 steel,42CrMo4, 52CrMo4 and other high quality steel, and process includes casting,forging & welding, and cold press & machining. The secondary operationsincludes heat-treatment, Non-DestructiveTest, Plating, Painting,Polishing and Assembly etc. Withthe help of our excellent Quality Control System certified by ISO &IATF16909, components' key features can be assured: High Hardness, PerfectFirmness, Anti-Corrosion, Long Endurance.At J.B, you will always have your expectation satisfied!
https://www.jbdrill.com