LONGREEN is located in Qingdao China,is a specialized in rubber auto parts ,R&D ,manufacturing ,sales enterprise.

Our philosophy is: Science and Technology ,Innovation to service the public.we always adhere to the first -class product quality ,the pursuit of perfect customer service for corporate survival .

LONGREEN's main products :rubber air spring ,inner tube and rims.We have passed the ISO 9001:2000 quality management system certification .Based on the high quality products ,couple with our rigorous work and professional services, we have won excellent reputation for our good faith from our customers .

LONGREEN sincerely invite individual and enterprises to cooperate with us for a better future