Founded in May 2002 with an area of 9300 square meters, Zhengzhou Jinshi Machinery Co., Ltd is engaged in development and production of drilling fluid solids control equipment. The company has passed ISO 9001 quality system authentication.And we are leading network supplier of the China Petroleum & Chemical. The company is engaged in production of drilling fluid solids control equipment such as drilling fluid shale shaker, centrifugal sand pump, mud agitator, mud gun, desander, desilter, mud circulation tank, mission pump parts, etc. Our equipment are selected as first choice by many foreign drilling companies.