1. Introduction of Polished rod clamp the polished rod clamps are used to connect the polished rod and pump unite. 2. Material1. Chemical CompositionTo meet the requirements of this specification, polished rod manufactured from any AISI or equivalent specification recommended cast iron or carbon ste

The Organization of Petroleum Exporting Countries (Opec) on Tuesday lowered its forecast for global crude oil demand this year, mainly due to the adverse impact of the Conflict between Russia and Ukraine.Opec released its latest monthly report on the oil market on Tuesday, predicting global oil dema

Recently, Asia's largest land oil production platform