A certain storage and transportation company in Shandong Province is mainly engaged in licensed projectsCustoms supervised goods warehousing services (excluding hazardous chemicals and dangerous goods); Mobile pressure vessel/gas cylinder filling. General project: General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals).

In December 2024, the company has 30 liquid ammonia spherical tanks that need to be equipped with external level measuring instruments. The Dinghua level switch does not require hot work or tank opening, making installation convenient and safe. Therefore, it was decided to adopt Dinghua Instrument, which has been in use for a long time with good results.