HARBIN RAINBOW TECHNOLOGY CO,LTD
Guided by “Once Business, Forever Friends”, we specialize in full-set fastener production equipment and turnkey line solutions, covering cold heading, thread rolling, wire drawing, heat treatment and zinc plating. Backed by mature technology and professional service, we serve renowned global clients with customized technical support and stable quality. We welcome all partners to cooperate for mutual success at Fastener Expo Eurasia 2026.
