high carbon steel hardness smooth cut steel flat shape file or diamond file set

Ningbo Aiyun Tools Co., Ltd. is located in Ningbo and is specialized in supplying hand tools, power tools, garden tools, air tools, etc.

With an experienced and professional team, we have exported our products to many countries and regions all over the world, especially Europe, the Middle East, America, etc. Our products enjoy good popularity among our customers.

We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.