... in stock; Manufactured according to latest API Standard; Honghua, BOMCO,TFI, suitable,can be exchanged Product Description:THIS IS CHINA ... square parts have a long life save energy, in fact, grinding process is more expensive. Until today ... .2. A new CNC grinding machine which made in German is at least 3 million USD, ... mud pump,F-1000,New arrival! Hot selling precision, Honghua, Kunlun, Baoji, suitable