wing badges

Promotional hard enamel pin badges are preferred by those who want a more durable pin, but can be more expensive and generally has more restrictions when it comes to colouring. Custom Hard enamel pins can appear subdued and less vivid than soft enamel pins. Additionally, hard ...

Come From Yppromotion

Overview of Drag Bit Drag bit are manufactured from forged high-quality alloy steel and hard alloy, plus state of art welding technology and multiple precision heat treatment to provide the highest penetration rate and longest lifespan at the roughest condition. A drag bit ...

Come From Cangzhou Great Drill Bits Co.,Ltd.

Drag bits for water well drilling by using a polycrystalline diamond compact cutter, has high hardness and wear resistance, the drag bit blade between the body and the welding process, welding after the completion of the whole cutting, welding technology on compact, can ...

Come From WUHAN SML TOOLS LIMITED