JILIANG3.0A new product 3D printing carbon saddle used for mtb

JILIANG3.0A new product 3D printing carbon saddle used for mtb

Summary

new product 3D printing carbon saddle used for mtb

JILIANG3.0A  new  product 3D printing carbon saddle used for mtb
3D printing carbon saddle
3D printing +carbon base +carbon rail