ring gear  is one types of powder metallurgy parts by Ningbo hengji yonxin powder metallurgy Co.,Ltd .

Our products widely used in :

1.)     Electric tools parts

2.)     Pneumatic tools parts

3.)     Types of Gears / Pinion / Sprocket / Helical Gear/Belve gear/Gear box etc.

4.)     Garden Tools parts

5.)     Automobile Parts

6.)     Structure parts

7.)     Sinter Copper alloy Powder metallurgy parts

8.)     Sintered stainless steel parts

Sincerely to cooperation with you , we will show you our best quality , best service and best price

ring gear