Qualification Honor

Contract-honoring and credit-worthy unit

Key Protected Unit for Environmental Protection Quality in China

Civilized and Honest Unit

Specialized, Refined, Characteristic, and Innovative Small and Medium-sized Enterprises in Shanxi Province

China's Environmental Protection Product Quality Trustworthy Key Brand

An automatic control system for fans.

A low-noise axial flow fan.

A mold for the consistency of blade angles of an axial flow local ventilator impeller.
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