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In January 2023, Southwest Oil and Gas Field Branch of China National Petroleum Corporation selected the Langhong LongOCM6000 series explosion-proof zirconia oxygen analyzer. Customer trust is the greatest motivation for Langhong people

2023-01-05

Our company participated in the 23rd China International Measurement, Control and Instrumentation Exhibition

2025-03-30

Congratulations on the first use of Langhong brand zirconia in Huaneng Jingmen Power Generation Co., Ltd. in November 2023, becoming a fully covered user brand of Hubei Huaneng Power Plant. Congratulations!

2023-11-06

In September 2023, I wish Longhong brand zirconia will be used in PetroChina Karamay Petrochemical Co., Ltd. for the first time, and Longhong products will contribute to the development of Tajikistan Petrochemical!

2023-09-08

In September 2023, I wish Longhong brand zirconia will be used in PetroChina Karamay Petrochemical Co., Ltd. for the first time,