Qingdao Companion Trading Co., Ltd is a International trading company, located in Qingdao,a beautiful seaside city, and we are originated from Qingdao Dongrun Diesel Injection Pump & Nozzle Co., Ltd, founded in 1999 and we have adopted the new name since 2010. Now we are a professional company aiming at R & D, production and sales of diesel fuel Injection system components, linear guides and filters.

We are capable to supply you diesel injection components with precision process,exquisite packing and reasonable price, and we have certificate of ISO9001:2000 and other...