Changhong Machinery
Our company is located in Tianqu Industrial Park, Decheng District, Dezhou City, Shandong Province. With a registered capital of 11 million yuan, we have over 110 employees and cover an area of more than 100 mu. We have four workshops: a ceramic cylinder liner firing workshop, a ceramic cylinder liner processing workshop, a casting and heat treatment workshop, a mechanical processing workshop, and a laboratory. We also have an independent technical design department. The components of the oil drilling mud pump are strictly produced in accordance with the requirements of users and the API Spec 7k standard. Company API7K certificate number: API-7K0465.
Company brand
The company's product users include Bohai Drilling, Chuanqing Drilling, Tarim Oilfield, and the shallow sea Oilfield of China National Petroleum Corporation. It is a first-class supplier for both China National Petroleum Corporation and China National Offshore Oil Corporation.
Strength of manufacturers
It is exported to many countries and regions such as Norway, Russia, the United States, Canada and Dubai. The main products include zirconia ceramic cylinder liners and bimetallic cylinder liners for mud pumps, among which the zirconia ceramic cylinder liner is a patented invention product of the company
