并根据用户生产用料进行特殊性螺杆设计、技术指导、技术服务等，产品远销海内外。

According to the user and the materials used for the production of special screw design, technical guidance, technical services and products sold at home and abroad.

youdao

并根据用户生产用料进行特殊性螺杆设计、技术指导、技术服务等，产品远销海内外。

According to the user and the materials used for the production of special screw design, technical guidance, technical services and products sold at home and abroad.

youdao