@tonglianmachinery: A machine builder that does its own R&D and machining controls more than the assembly. Tonglian runs R&D and its own machining equipment, and holds multiple invention and utility model patents. The equipment is for carbon fiber processing, and it ships to more than 20 countries and regions. ISO 9001 quality management system certification and CE certification are part of the picture too. #carbonfibermachine #carbonfibermachinery #carbonfiber #machinebuilder