In 2022, vacation of Workers’ Day starts from April 30th to May 4th in China. During those days, our office will be temporarily out of duty, then  back to work on May 5th.

International Workers’ Day is a celebration of labors and the working classes that is promoted by the international labour movement on May 1st.

International Workers’ Day is to commemorate the working people’s struggle for legitimate rights, the development of human civilization and remind workers’ indomitable spirit.

Petroking Petroleum Hebei Co., Ltd is a skillful factory with 33-year manufacturing experience, supplying Multipurpose Lithium Base Grease, High Temperature Grease, ExtremePressure Grease, Lithium Complex Grease, Aluminium Complex Grease, Graphite Grease, Anhydrous Calcium Grease, Engine Oil, Gear Oil, Hydraulic Oil etc.

If you are interested in our products, please do not hesitate to contact us. We are always waiting for your kind inquiry!