1. Specialist supplier of industrial automation/process control instruments:

　　o Major International Brands:

　　§ MarathonGlobal brand in the oxygen probe field, high quality, wide application, relatively high price.

§ Carbon King: Offers a wide range of oxygen probes for industrial measurement.

　　§ quicksliverAutomation experts, providing analytical instruments, including oxygen analysis systems (with integrated probes).

　　§ EpsonIndustrial, offering a variety of process analytical instruments.

§SSI: Offers oxygen analysis solutions for combustion control.

　　§ Joint VentureFocused on gas analysis, offering zirconia and other oxygen analyzers.